MicroShift Launches 1x Drivetrain For 20" Wheel Bikes (And Up)

Apr 6, 2022
by microshift  
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Press Release: MicroShift

What kind of bike did you ride when you were a kid? I'm guessing it was a couple sizes too big, super heavy, and had all kinds of cheap parts hanging off it. And it was probably fun as hell!

Fast forward a few dozen years, and kids bikes have gotten way nicer. I'm not going to say they're spoiled, but the current generation of groms have access to bikes that are light weight, fit right, and have real tires and suspension. No wonder they're shredding so hard!

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Just look at this thing. I would be so much faster now if I had gotten one of these in 3rd grade.

Everything from handlebars to cranks to brakes have been designed specifically for riders with smaller proportions. Everything except drivetrain. Until now.

Super Short: A Legit MTB Drivetrain, But Smaller

The goal for Super Short was simple: make a real, fully featured mountain bike group for smaller people. It had to be easy to understand and operate, while providing better shifting response and durability than the stuff that normally comes on 20" bikes.

So, we took the DNA of our Advent 1x9 and Acolyte 1x8 groups and rengineered things to be smaller. The result is a drivetrain that delivers big performance for little proportions.

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The touch points are the most important part, right? So, we designed an all new shifter with levers that are shorter and closer to the handlebar for easy reach.

The shifting throw is also shorter than our competitors by over 40%. That doesn’t just help people with small hands – it helps anyone who wants a quicker, easier shift. Even the index-thumb style shifter configuration is a plus: it allows the levers to get closer to the bar and also makes it easier to remember which lever makes it harder and which lever makes it easier.

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The rear derailleur is made to be as short as possible. The 100mm cage is about 50mm shorter than standard ADVENT, meaning it will fit on a 20" wheel with plenty of ground clearance for irresponsible cornering.

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None of the standard features have been cut, which means the derailleur still has robust chain retention for 1x, full metal construction, and metric adjustment hardware. It's a fully featured 1x derailleur, just smaller.

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To play nicely with 20" wheels, we opted for a cassette range of 11-38T. Smaller wheels make gears feel easier; a 20" wheel with a 38T cog feels the same as a 27.5" wheel with a 52T cog. That gives the rider plenty of range to take on anything the rest of the family can climb.

There are plenty of reasons an adult might want a modern drivetrain with less gear range, too. Maybe you're a masochist? Or a midwesterner? Either way this drivetrain has something for everybody.

Availability

Look, we thought it would be here by now. Depending on where you live, it should roll into stock sometime in the next two months. Fingers crossed.

Visit https://www.microshift.com/news/introducing-super-short/ for more details.

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Advent Super Short Rear Derailleur - MSRP $64.99
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Advent Quick Trigger Pro Shifter - MSRP $27.99

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Advent Quick Trigger Pro Indicator Shifter - MSRP $27.99
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Advent 11-38T Super Short Cassette - MSRP $32.99


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Acolyte Super Short Springlock Rear Derailleur - MSRP $36.99
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Acolyte Super Short Rear Derailleur - MSRP $29.99

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Acolyte Quick Trigger Shifter - MSRP $26.99
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Acolyte Quick Trigger Indicator Shifter - MSRP $26.99

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Acolyte 11-38T Super Short Cassette - MSRP $27.99


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Reviews and Tech Press Releases Microshift


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164 Comments
  • 179 0
 It’s not called microshift fir nothing.

I’ll see myself out…
  • 114 0
 I have to say this is actually a bloody good idea. Although if bought my kid may now roast me on the climbs so I'll hold off as long as possible.
  • 15 0
 last year i got my son a Giant STP 24 that came with the regular advent and even that was awesome (he was 6 at the time). he does great with it, it's got the regular 42t cassette and its the perfect amount of range for him. it's awesome to see this getting expanded for more usage.
  • 44 1
 Its incredible how many kids bikes still come with SRAM or Shimano Grip shifting. Grip shift is worst for small hands, this is a huge upgrade.
  • 13 1
 @nicktapias: first thing I did was dump the grip shifters on my lads bike. Worst thing going for shifter options on kids bikes.

Went for a ride and some of his friends were saying they couldn’t change gear, especially on the front. Checked the bikes over all was fine. It was only when I watched them whilst riding I realised they didn’t have the grip strength to use grip shifters.
  • 1 0
 @nicktapias: yea, my soon took to the shifting very easily. IMO its about perfect for a kits mtb.
  • 12 0
 Hello fellow dads.
  • 5 1
 @nicktapias: grip shifting gave me PTSD
  • 3 0
 Probably gonna use this on my dh/fr bike, have been hoping for this day for a while
  • 67 0
 This is fantastic! Please stop equipping children's bikes with gripshift. Commencal, I'm looking at you.
  • 7 0
 This
  • 2 0
 Scott does the same. At least that's what on my son 20" ride. On top of that they specified a 36T front chainring w/ 11-32 cassette. Despite that really cool little bike.
  • 9 10
 I actually like grip shifters.
  • 19 0
 @nickfranko: but are you somewhere between about the age of 5 and 9?
  • 1 0
 I hated grip shifters when I was a kid. I remember being so excited for my first bike which used trigger shifters. I still hate grip shifters.
  • 2 0
 Agree. For some reason our 20" kona came with grip but the 24" same model/year trigger.

Also these prices look, almost suspiciously, low & affordable...
  • 2 0
 @louiefriesen: I remember being a kid with no shifters and being so excited as an adult when gripshifters came out.
  • 61 0
 Speaking as a Shimano fanboy, this is probably the most relevant mtb group to come out in quite some time. Getting kids stoked on mtb's is literally the future of our sport.
  • 1 0
 This is pretty much 10spd Shimano zee, and cost is similar
  • 34 2
 Honestly, aside from the shorter shift levers.... I'm so pissed off at the durability and reliability of my 12S XT setup over the last couple years, I'm really thinking I want to go back a step in gear count, and save a bunch of money. I used to run 11-32 9s 1X back in the day, so 11-38 is liveable, and that short little derailleur looks great.
  • 5 2
 same, my 12s SLX and sram on other bike, shift like sh**. My old 10s XT shifted perfectly after 5 years ob abuse, hand mending on trail and everything. The worst thing is, that I have SLX cassete with microspline, and it is cheaper for me to replace microspline freehub with completely new hub, DT 350 + some cheap 12s cassette, than buying new casette with microspline that is actually available and not in stock in 20 weeks.
  • 15 5
 Quite a lot of my BMX mates who’ve all seemed to have gotten into MTB have moved over to Microshift after their Deore / SLX 12 speed drivetrains have fallen to bits. The quality isn’t really that much better than shimano but it’s a lot cheaper and isn’t as temperamental. Like if you’ve just come of a brakeless bmx and don’t know anything about bike set up you can get one of these mechs working acceptably well which is great for me because they’re not constantly around my house getting me to fix their gears for them.
  • 3 2
 I had 0X eagle before and built a new bike from scratch, thought I would go GX eagle to save a little bit, compared it to 11s XT, well 11s it is, that extra easy gear aint worth twice the price! And I just bent a derailleur, picked up a better looking used one for £33, try doing that with 12s...
  • 5 0
 @thenotoriousmic:

Smooth shifting is at least a 2x2 microbrew job and if they don't know that now, you haven't been properly training them
  • 6 19
flag mhoshal (Apr 6, 2022 at 7:20) (Below Threshold)
 @thenotoriousmic: every derailleur is basically the same no matter what brand they all set up basically the same way so your comment doesn't really make sense saying one is harder to set up then the other.
  • 9 2
 If I’d known that 12 speed stuff was so susceptible to wear, I’d have stuck with 11 as well.

Shimano 11 speed was stupid durable. Neither Shimano nor SRAM 12 works as well as the 11 speed stuff.

Now that there are wider range 11 speed cassette options, I’ll go back to 11 if I build up another bike.
  • 2 1
 I'm still riding my 11s GX and it's working flawless. I got the bike with a 12s NX and bend the derailleur 4 times in the first 6 rides (Never happend in the 20 years before) due to small sticks from the ground. Went back to the 11s immediately.

11s is easier to adjust and got heaps more clearance.
  • 3 2
 I share the same frustrations with our "new and improved" 11 and 12s drivetrains! Recently I put together an 8sp setup using a 10sp 11-36T Deore cassette with two rings removed, Zee FR derailleur, KMC Ebike chain and 26T oval front ring and I can say it is bomb proof so far! The derailleur is tucked up nice and high and I can hammer on the pedals and not worry about breaking chains. Cost and availability was reasonable too. I know this won't work for people with bikes having high anti-squat but it seems like a good setup for me on my Knolly.
  • 4 2
 @mhoshal: that’s not quite correct. I think my friends are using 9 speed cassettes or something I can’t remember exactly which are way less sensitive than 12 speed mechs and don’t need to be set up perfectly In order to work to an acceptable standard also there’s less strain on the mechs so they go longer and take more abuse before they go floppy at the pivots and start playing up or need indexing again.
  • 2 3
 @bhuckley: Haha I agree bro. I’ll make sure they know for next time.
  • 24 0
 For what it's worth, our standard ADVENT shifters will work with the Super Short rear derailleur.
  • 3 1
 I got rid of SLX 12 and love the AdventX
  • 5 1
 Make the switch. I had 3 12S Shimano derailleurs break (an XT, SLX, and a Deore) in situations where the hanger should have broken or gotten bent, but the whole derailleur ended up sheared off. (one situation sent the derailleur into my spokes, destroying my wheel) Switched both my bikes to MicroShift Advent X and couldn't be happier. I had a huge rock hit the other day that bent the crap out of the derailleur (it did not break off but the Shimano 12S would have) and was able to easily take it apart and bend it back. 48T is a fine granny gear, and I never find myself wanting more gears at any point in the cog stack. MicroShift's warranty is top notch as well. I email them with slight issues like bent cogs, or clutches not working properly and they they have new stuff on the way to me instantly. It's really nice to be able to forget my derailleur exists when entering chunky terrain again.
  • 12 0
 I stuck with Shimano XT/SLX 11s components with sram 10-42 cassettes or shimano 11-46 cassettes (In the future I'd go with 11-42) on all of my bikes. It's a nice balance of range, performance, cost, and weight. No complaints.
  • 2 0
 @mhoshal: the derailleurs all work the same, but the huge range and smaller cog spacing definitely makes 12s more sensitive to B-screw setting, cable adjustment, and especially hanger alignment. Hanger alignment tools used to be almost a shop-only tool, but I know a fair number of people who have bought them for home use since 11 and 12 speed stuff became standard.
  • 1 0
 Curious to see how the Shimano Linkglide stuff holds up. Sadly it looks like Shimano has put it on the backburner while they get caught up on their other stuff.
  • 6 0
 I am a total holdout for 11 speed shimano.
  • 1 0
 @microshift: with it work with a 9 speed XT deraileur and cassette?
  • 1 0
 @microshift: I just bought my daughter a new riprock 20 with advent 9 speed. Will the super short be compatible?
  • 1 0
 could go back to the wide range 10 speed shimano stuff - 11-36 but using a one-up or similar 42t.
  • 1 0
 @toad321: Also, you can use Deore Cassette and have 11-50 so the low, low is almost the same
  • 4 0
 Shimano 11s XT shifter with an 11s SLX derailleur and a Sun Race 11-50T 11s cassette has been bombproof and reliable for me.
  • 1 2
 I did ditch my Shimano 12s XT/SLX/Deore combo on my Ebike.
The fancy Hyperglide+ could handle shifting under motor load at all.
On climbes every shift sounded like the derailleur just exploded.
I switched to a 11s Sram drivetrain that doesn't care at all about shifting under motor load.
Really nice, now I don't have to stop pedaling on uphills for second just to shift up the cassette.
  • 2 0
 M8000/M9000 is where its at. Just the right amount of range and durability. 12 spd is just way to finicky.
  • 2 0
 @mhoshal: yes it does. An 8 or 9 speed is easier to set up than the 11 or 12 Speed as the tolerances are bigger and you don’t have to be so exact with set up.
  • 1 0
 With Box Components you can go back to 9 or even 8 speed without losing a ton of range! Highly recommend it. Microshift has options basically between Box and Shimano/SRAM.

And now SRAM and E13 are making crazy (expensive) drivetrains "for e-bikes" that have huge ranges but not that many speeds to go through.
  • 1 0
 @mhoshal: I would agree with you for 7-8-9 speeds for Shimano and SRAM cassettes with any of those brands' derailleurs. 10-speed drivetrains, nope. 11-speed drivetrains, nope, 12-speed drivetrains, nope. There is one exception for Shimano 11-speed derailleur - I read that it is compatible with 12-speed Shimano cassettes.

It's the change in the parallelogram ramping ratios that are changed from 10-speeds and up.
  • 3 0
 @shredddr: I use the Shimano 10-speed cassette: 11-36T and still use the 24/36T chainrings. I'll be changing to a 22/36T chainring combo so that I can get a lower gear ratio which will be the same as running a 1x 32T chainring with a 52T 11/12-speed cassette.
  • 1 0
 The issue in my mind is that the wide range/reduced gear count cassettes are an order of magnitude lesser quality in terms of materials and precision as the wide range stuff. Don't get me wrong, I shifted--teeheee-- away from wide range to an 11-42 8 speed drivetrain since I see multiple gears as superfluous. A ~20% gear reduction between gears qualitatively works for me just fine and for the time being I can still muster the strength to crank a 42t top gear with a 29er and 1500g tires. Anyway, I moved to a 9spd SRAM shifter and an 11spd mid cage Shimano XT w/an 8 speed cassette. The shifter and RD combo is awesome. The cassette (an MS Alcolyte) is working OK, but it's strained and bent a little due to the molder steel used. It's still going, but I'd kill for a higher quality 8 speed cassette.
  • 2 0
 @lepigpen: I got the box prime 9 groupset last season and I will never spend another penny with Box Components. Just riding normally threw the derailleur out of tune every single ride. I tried to contact Box customer service many many times, never got a response, even after trying a warranty claim. I blame Seth's Bike Hacks lol
  • 2 0
 @uh-no: I had the same experience, a lot of people say they’re really good, but I was tuning it after every ride…
  • 2 0
 @Gwizard: same here with the box 1 stuff even. had to take it off the bike for my sanity. have the dh group as well and not very good but at least that is a dh bike where i don't need gears as much
  • 2 0
 @hermes1987: To be fair, there is a considerable gap in quality between GX and NX regardless of number of gears.
  • 1 0
 @westeast: at the 42T range, I would just skip the 10T and not have to deal with XD freehubs.
  • 33 1
 What is this? A DRIVE TRAIN FOR ANTS?
-Derek
  • 1 0
 golf clap...
  • 1 0
 It needs to be at least... 3 times this size!
  • 2 0
 One of the greatest movies ever
  • 24 0
 Big ups to Microshift for creating solutions to actual problems, and making the derailleurs beefy enough to take a hit. The AdventX is the best MTB drivetrain I've used for it's reliability, cost, durability, and ability to work well with a slightly bent hand-straightened hanger.
  • 18 0
 Finally, I've always been wondering why kids bikes were deliverd with 3x groupsets. 1x makes riding for kids so much more fun because they do not have to think as much about how to change gears. Hope all kids bike manufacturers are paying attention.....
  • 16 0
 You are missing the very simple fact that kids rate bikes by the amount of gears they have. Silly, I know but my kids and their friends are always asking how many gears you got, and they aren't very impressed with my bike that only has 12 .... But I agree with you 3x group sets are horrible.
  • 11 0
 @oskare: lol this is the most kid thing ever and totally correct. I remember thinking that 27 speed (3x9) on my bike growing up was totally rad compared to my friends 18. C
  • 7 0
 @oskare: Yep, I'll never forget the say in 2nd grade when I told a classmate about my new 18 speed bike (3 x 6) and he told me he had a 100 speed bike. I told him that didn't exist and we didn't talk much after that :-D
  • 17 0
 Seriously tempted to toss this on my dh bike and hard tail .. neither needs a huge spread. I wonder if the pull ratios are the same for the shifters to use a big one...?
  • 45 0
 The pull ratios are the same, you can use the ADVENT Trail Trigger with the Super Short derailleur if you like.
  • 17 0
 @microshift: You guys rock for many reasons, but this is a big one.
  • 14 0
 Microshift continues to show why they're The Peoples' Drivetrain company. I swear by them on all my stuff. Also shout out to the Midwest reference!
  • 7 0
 I don't think they're in the crank business but if they came up with 2 or 3 kid length cranksets I think they'd get a ton of traction. The number of parents who come in looking to just fix a beat up kids bike or are actually invested in a quality fitting bike as their kid(s) grow is increasing, and a complete/easy drivetrain upgrade is keen. Kids can't ride 165.
  • 1 0
 Yes! Or like that adjustable crank from April fool's!
  • 5 0
 I don't see a mention of a clutch.

The last few kids bikes I bought had Shimano 1x drive trains using Alivio or Acera level components with narrow-wide chain rings. The performance and durability was perfectly fine, but the lack of clutch was such a downside that I to get aftermarket chain guides.

One one bike I got so fed up that I ended up with a crazy frankenstein drive train that consisted of: 28T narrow-wide, Sunrace 8s 11-40 cassette, a SRAM x5 8s shifter, 10s GX? chain, Deore 11s 5120 rear mech.

It worked better than anything that came on any of the bikes stock. Don't ask me how much time I spent on this.
  • 14 0
 The Acolyte 8 Speed has a Springlock derailleur control and the Advent has a clutch. You can see the adjustment/on-off switches in the pictures as well as the features mentioned in the description of the devices.

I have Advent parts on my 2 rigid steel Adventure bikes; a 1x and a 2x setup. It's really good stuff.
  • 4 0
 Why has it taken this long to release something like this. My kids are getting older now, but I always was piecing together some used 10 speed wide range system on all their bikes. Something like this should be standard on any decent kids bike
  • 3 0
 I have been a diehard shimano fan forever. I was hoping to get a new bike with deore 12s, but after flipping through these comments, I would like to give microshift a try. Shimano XT 10s was the best groupset I've had so far. I don't feel the need to get 2 extra gears if they are going to wear so fast and require constant maintenance.

Are there any good bikes people have seen speccing Microshift? So far I've seen a lot of mid range department store bikes with XLE, but what about advent x?
  • 2 0
 Marin uses it on some decent looking gravel / commuter type of bikes, and at the entry level of their mountain bikes (San Quentin 1 for example).
  • 1 1
 If you stick with Shimano 10-speed cassette and use the 11-36T with a 22T SLX chainring, you'll get the same gear ratios for a 11/12 speed gear ration when using the 52T largest cog on the cassette to a 32T chainring. For a 2x system for the Shimano 10-speed, a 11-36T cassette to a 22/36T chainring combo is the best range, IMO.
  • 2 0
 Cotic is now offering MicroSHIFT Advent X as one of their build options. Salsa has it on two or three of their models as do Marin and Cannondale.
  • 1 0
 I threw f 10-48 on a “downduro” build I just whipped up, pretty affordable and hasn’t given me any problems (unlike box)
  • 5 0
 My kid has a Woom, terrible name, fantastic bike. This would be an easy upgrade…
  • 1 0
 Why? Woom doesn't come with 1x gearing?
  • 1 0
 @pakleni: 28 x 11-32t

@plume: Woom to zoom to toom
  • 1 0
 @pakleni: My kid has a Woom 5 Off (24 inch) bought in 2020 and it has 1x9 SRAM gearing, 11-34 cassette, paddle shifters. Doesn't look too much different than this, except a bit less range on the cassette.
  • 1 0
 @sideshowmel: That's why I'm asking. My kid had the same (X4 or 5) on his BMC 20 and now I just placed an order for BMC Twostroke 24 with the same gearing. The only downside is rear derailleur without clutch. I had to put a small chainguide to prevent the chain falling of the chainring
  • 2 0
 @pakleni: Yeah, probably not necessary since we'd only get a 4 tooth advantage over-all. Still looks like a good option, my kid doesn't love the ergo on his shifters, and I'm not much of an SRAM person. I'll be spending my time/$ drilling the frame for a dropper post instead, though - much more exciting.
  • 2 0
 @plume: Thinking about doing the same thing. PM me with the results, please
  • 3 0
 @pakleni: I'm going to use a rubber frame grommet and work backwards from there. I've seen a nice example of aluminum frame mod that looks pretty straight forward. The insertion depth of the post should be fine. After watching my growing boy struggle up a climb last weekend, it's high time he gets a dropper. If it comes out the way I picture it, I'll proudly share it!
  • 4 0
 @microshift ‘Page not found’ on your link. Any weights you’d like to give us? I wanna put this on my trail bike. And maybe my kids bikes too.
  • 3 0
 PR word checklist for anything related to kids and mountain bikes: Grom - check, Shred - check. Missed words: Little Rippers, Stoked.

Special points awarded for "wishing you had this when you were a kid" statement.
  • 2 0
 After using Saint 9speed 36x11-36 drivetrain for several years, I changed my Rune to 32x11-36 Saint 10speed, because I can't look at those mid/long derailures anymore.
Once, my Saints get broken, I buy this kids drivetrain immediately.
  • 2 0
 Seems to me that the vast majority of kids bikes don't have a freehub body rear wheel (unless you're buying the higher end stufff). Is there a way to remedy that? I guess I could relace my kid's rear wheels with new hubs, but does anyone have a lead on affordable 20" and 24" rear wheels with freehubs that can still work with v-brakes?
  • 1 0
 Spawn sells wheelsets on their website. spawncycles.com/brood-tr27-20-wheelset
  • 1 0
 Back in 2019 i upgraded my sons Orbea MX20 Team Disc from Altus 1x9 to a Shimano Saint groupset 1x10 and also replaced the original disc brakes with XT 2 piston and 180mm rotors....all together for less than 200 Euros...... dont want to look what all the stuff is priced now......BTW: still shifts great and brakes like hell....also very good looking tiny bike.
  • 1 0
 This should be ok for my daughter's 16" bike? The RD will prob hang down to the tire, but she's only gonna be doing flat terrain me thinks. Like the idea of the shorter throw. My older daughter is running Advent X on her 24", which is great, but sometimes she doesn't shift accurately bc of the longer throw.
  • 2 0
 I'd consider this for my hardtail if its 1x10 Zee+Saint ever wears out and stock is limited. My local trails are pretty flat, so it feels useless to run a current wide range 1x12 drive train with long derailleur.
  • 2 0
 I put Sram EX1 on our 7 year old daughter's bike. 8 speed, clutch derailleur, didn't go with the cassette, just purchased a generic 8 speed 11-34 for $25 on Amazon. Planet Cyclery sells the EX1 kit for a reasonable price.
  • 4 0
 Closer ratio cassette, shorter rear derailleur cage. Could be a good DH option as well as a good kids option.
  • 1 0
 @microshift how does the rear cassette and derailleur weight compare to a similar Shimano Tourney setup? My kids bike came with cheap Shimano stuff and beyond the sub-optimal shifter with a rather long throw, the rear cassette is probably 1/4 of the rear wheel weight. I'd like to knock some weight off of her bike, and was looking for a lighter cassette option and possibly a lighter rear mech.

Also I've been running Advent 9sp on my one bike for the past two years and have been super impressed with the durability and reliability. For the money I can't imagine a better setup.
  • 1 0
 Great product. Now all we need to do is stop putting forks on kids bikes that have springs in them that weigh a tonne and Brook MacDonald couldn't move....either stick with light weight rigid forks or spec something that actually works.... nice work @microshift - second the comment about cranks....
  • 1 0
 They never reviewed the microshift advent x. Apparently @danielsapp has been riding his for over two years at this point lol.

pinkbike.com/news/first-look-microshifts-10-speed-advent-x-drivetrain-pond-beaver-2020.html
  • 1 0
 I'm super stoked to see Microshift continue in a very relevant upward trend of product choice and price point. They seem to know how to fill in gaps in the market, and this has been going on a very long time. But these groupsets just prove how dedicated they are to finding a solid place in the cycling market
  • 2 0
 Great… Means we can sort out the horrible shifting on an older Specialized Riprock 20” before going to the next cousin.
Too bad they don’t have a BB & crankset to replace the crap that comes stock on kids bikes…
  • 1 0
 @Microshift continuing to give the people what they want. I think many of us would give up gear range and number for reliability at this point. My shop has nothing but good experience with Advent and Advent X. Really hope you guys keep developing these groups and maybe do an Advent X super short set up in the future. Short cage 1x derailleurs please!
  • 1 0
 Advent X is awesome. Been riding it for a couple of years now. 10 speed, all the range you need (11-4Cool and reliable. Easy to set up too.

Had GX 12s set up and it was crap.

I'd be XT 11 or 10 speed anytime over any 12 speed set up. The new deore 10s set up looks great.
  • 1 0
 I installed this on my daughters 20" Norco Fluid FS. It was pretty underewhelming overall. The clutch doesnt seem to really change the tension on the cage at all. The shifter takes equal or more force than any other shimano or SRAM shifter, and the throw of the shifter is longer than the SRAM x4 equipped on another 20" bike I had. The shifter also had issues on the first ride, skipping over the first indexed point when up shifting, needed to reach the second index point to change gears. The deraileur is nice, but heavy, and works very well with smaller wheels being so short.
  • 4 0
 Is it bad that I would consider throwing this on a park setup?
  • 4 0
 I was considering the same for my budget DH build...
  • 2 0
 @therealmancub: if you're on a budget you should check out the Nukeproof Dissent (frame+shock for $1,400). For the fork there are a few good options, Marzocchi ($1,050)/Manitou ($1,200)/SR Suntour ($1,200). For brakes, Formula Cura.
  • 1 0
 @therealmancub: I did the same but with the 10-48 tooth cassette and a external pnw dropper for a nice downduro build
  • 1 0
 Will the short derailleur work the 42t 9S cassette? I just got the new Specialized Riprock 20 which comes with the longer cage Advent 9S and 42t and I’ve seen the derailleur bounce off rocks a couple times.
  • 1 0
 Nope: www.microshift.com/models/rd-m6195s

34-38T max cog size. Hope this helps.
  • 2 0
 Smartest idea would be to pair the mech & cassette with the new Archer electronic shifter so little kids can actually shift
  • 2 0
 great product/ I wish somebody would also make some decent light crankset for kids. it's really hard to find something that would not be a square tapered with 150mm arms
  • 1 0
 I could see myself buying that acolyte w the clutch if my son's start riding hard enough to drop his chain. Already the best upgrade on his bike was a microhift trigger shifter to replace the grip shifter
  • 1 0
 Might need this for kiddos bike. the box 8 spd on the it now is just too tough for him to shift and the range is kind of silly. Was looking to put older 8 speed stuff on it, but I think this will be the ticket.
  • 2 0
 This looks great - priced well coparted to the Zee/XT set up my 5 year-old son is running on his 20” bike!
  • 1 0
 Nice to see reasonably priced, thoughtfully designed parts for kids. It drives me crazy seeing parts designed around adult ergonomics end up on kids bikes.
  • 1 2
 My kids started on 20" bikes that I geared down for trail riding. Riding one speed makes the most sense and honestly I don't think gears are a good idea for kids until they master riding. I kept my kids on a single speed until they were in their teens.

For folks whop never rode single speed, there are many learning benefits such as being able to use your body weight to maintain momentum, standing and pedaling, and learning to judge speed.

Gears for kids is akin to giving a child a cell phone before they are old enough to know how to communicate.. it just teaches them bad habits and delays maturity.
  • 11 0
 Sorry unless you are riding flat gravel trails single speed is up to age when they want to ride real trails. No way kid can climb without gears. 3 kids and two grandchildren later. Leave the single speed at the bmx track. For kids to get bikes up hills on bikes that weigh 50 percent or more of their bodyweight gears are mandatory.
  • 1 0
 alot of my comments on recent products have been negative, but this is awesome. good job Microshift, looks really well thought out!
  • 2 0
 This would be great for my freeride bike. Would it still work with the standard microshift shifters?
  • 1 0
 As a midwesterner I love my easy gear because are descents are the same as the climbs: short and steep
  • 2 0
 Midwesterner and masochist are synonymous in my lexicon.
  • 1 0
 Love this. Even tho my son is on the edge of getting a 26” stp now haha. Oh well
  • 1 0
 Love the Advent X Groupset. If I had a kid I'd be souping up their drivetrain with this.
  • 1 0
 @microshift can you make a shifter with a double shift down the cassette like Shimanos multi release on XT / XTR?
  • 5 0
 No, sorry - patents.
  • 1 0
 @microshift: darn it. Hopefully one day when it's up.
  • 1 0
 @microshift: just gotta go with triple shift down then! Itll be like when Eagle went to 52 tooth to stay 1 step ahead Smile
  • 2 0
 Great concept. Will never be in stock.
  • 2 0
 now we just need the crankset.
  • 2 0
 Min/max dream build . Sorry kids this adult is liking this option .
  • 1 0
 My first bike was a fully rigid single speed. Kid’s these days are spoiled! Look
  • 1 0
 Currently running Zee FR 10 speed on my Forbidden. Buying this next. The 38t over the 36t on zee is an added bonus.
  • 1 0
 Shout out to whoever wrote that press release... that's almost perfect @microshift
  • 1 0
 Where is the xc fantasy league
  • 1 0
 Or maybe use it as a cheap dh drivetrain ?
  • 1 0
 Maybe not strong enough and this diralleur seems to be without dampfer.
  • 1 0
 hope i was 3 and get these things
  • 1 0
 fitted a Zee mech and shifter to my kids bikes.
  • 1 0
 971 XTR still holds the crown of reliability in my heart. Simpler times.
  • 1 1
 Wtf are they announcing something not available. Companies need to stop doing this I’m looking at you Shimano Linkglide.
  • 1 0
 Hmm I wonder if I could fit this on my bmx
  • 1 0
 woom off, more like woom out!
  • 1 0
 Cant seem to buy anything on their website..? Am i blind or?
  • 1 0
 Good stuff Microshift, keep doing what you do.
  • 1 0
 I live in South western Ontario, I run 11-23 on my 26” 9 speed cluster.
  • 1 0
 Soooo anyone have these in stock yet @microshift?
  • 1 0
 finaly, time to upgrade kiddos bike
  • 4 5
 Cool story. Installed a 10-speed zee short cage + 11-40T like 3 years ago. Works like a charm.
  • 2 3
 I'm confused at the difference (aside from easier shifter) from a Zee derailleur and a 10 sp 11-36 or 11-40?
  • 8 0
 .... its made by an entirely different manufacturer? Microshift is not Shimano.
  • 1 5
flag AccidentalDishing (Apr 6, 2022 at 6:59) (Below Threshold)
 @Patrick9-32: well obviously. Moreover, why is this being touted as something revolutionary, filling a gap in the market?
  • 6 0
 "So, we designed an all new shifter with levers that are shorter and closer to the handlebar for easy reach."

That is it. It's a big deal for little ones: they need most of their hand strength just to hold on, so making them stretch little fingers to reach adult size levers, brake or shifter, is not ideal.

Also, price.
  • 2 0
 @AccidentalDishing: Revolutionary - It's a press release, would you expect a different angle from marketing? Filling a gap - yes, it is.
  • 1 0
 This is cool!
  • 1 1
 Going to see a lot of these on size small Juliana’s unfortunately
  • 1 0
 I want this for my 29er!
  • 1 0
 This is so brilliant!
  • 1 0
 This is fantastic.
  • 3 5
 OH THANK GOD!
  • 15 4
 Howdy, are you from the midwest with small hands?
  • 5 19
flag wda1wustl (Apr 6, 2022 at 6:47) (Below Threshold)
 @Baderfrank: Are you 6’2”, blond, pure bred, atheist, and think you are better than everyone else?
  • 3 0
 @Baderfrank: Yes.

But that isn't why this is exciting. For kids its great as it gives them a real drivetrain designed for them.

When I saw that cassette I thought about my gravel bike. I'm looking to go 1x with Microshift anyway, but the current Advent X cassette is too low unless your gravel biking takes place in the mountains. But a 11-38 cassette sure is interesting...
  • 1 1
 @CycleKrieg: a 11-38 cassette is nothing new to be interested about. The shifter is well thought out and a good idea, but I dont get why everyone thinks this cassette is mind-blowing.
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