YT have released details of the mate to their carbon Jeffsy, the aluminum Jeffsy Base. The bike features an updated geometry and spec and is available in their 2020 colors "Twotone Blue and Black Magic." The Jeffsy Base comes with either 27.5" or 29" wheels to accommodate various riding styles and is available in sizes Small to XXL.
The geometry carries over from the recently released carbon model, with a slacker head tube angle, longer reach, and lower front end. The geometry is adjustable via a flip-chip that can drop the bottom bracket by 8mm and slacken the head tube and seat tube angles by 0.5-degree.
Both the 27.5" and 29" Jeffsy Base models are spec'd with a RockShox Yari RC with 160mm of travel for the smaller wheels and 150mm on the 29er. This is paired with a RockShox Deluxe Select rear shock. The bike also comes with a SRAM 1x12 Eagle drivetrain, Race Face Aeffect R 35mm bar and stem, DT Swiss M1900 wheelset, and Maxxis Minion DHR tires. The frame also fits a Fidlock water bottle.
Servicing and maintaining the Jeffsy Base is designed to be simple with single-sided hardware enabling the suspension linkage and rear triangle hardware to be installed and removed from the same side. There are also additional double seals that protect the bearings and keep water and dirt out.
The Jeffsy Base 29 weighs 15.3 kg or 33.7 lbs and the Jeffsy Base 27.5" weigh a claimed 15.2 kg or 33.2 lbs in a size large with tubes. Both bikes sell for $2,299 USD.
For more information:
yt-industries.com
I imagine your Radon isnt as cheap as this either and travel doesnt really have to correlate with weight, it depends on what the bike has been designed to do, a longer stroke fork / shock alone wont add up to a large amount but a stronger frame, more durable tyres etc will.
Also people seem to be forgetting this is a £1999 bike. It's not going to be the greatest spec you've ever seen.
I agree they should do some high end alu builds - but this is the base model and the spec looks really good for what they're charging.
pricing and builds aside, it's a great looking metal frame.
*on the full picture of the black bike* also wrong on both bike on their website.
Seriously tho, I'd take slx 10 or 11 speed with a sunrace cassette over SX.
Not many mortals ride that lot/hard, no reason to overbuild stuff.
Listed weights are rarely completely honest, with little tricks like subtracting the tubes that are supplied in the tires and adding up the listed weights of all the components, which are rarely accurate. There's a strong incentive to quote a lower number - and here we are, adding to it!
Maybe this weight is just honest, which can be worth several hundred grams. It may also include the tubes and pedals, which are almost never part of a weight spec and could account for 800g - 900g. Plus the SX components.
As far as price there are many variables from supply costs, marketing, brand recognition, warranty / crash replacement policies etc etc that few if any of us have the data on.
@pperini: I think the response was in part because pulling a direct relation between weight and price is considered a bit shallow. It is like dismissing a lady saying "60kg and only cup B? I've had 58kg girls with cup C." There is just much more relevant to a person than that.
Frame with good geo and kinematics
1x drivetrain
Very decent suspension
150mm dropper post on a large
Decent tires and wheels
It's a bit heavy, but if you've got the extra buck to spend the higher end builds are sub 30lbs.
For a first proper mountain bike this would be really good.
You got 3 years out of a race face BB ! Do you live in the desert and re grease after every ride?
From a more practical point of view, us as avid mountain bikers are a persnickety bunch. We argue over geo and cassette weights, and most of us have a sealant if choice that’s disappointed us least. For me, if a bike was set up tubeless it wouldn’t be a selling point, because whatever came In that tire would be replaced with Muc Off before those tires ever sniffed dirt. I’d rather just pull out a tube than clean out some old mystery sealant,
Now, there are brands that do set up tires tubeless, but most prefer that the shop does it if the customer requests it. I work in the industry and in our bubble of people that ride 200+ days a year it’s ridiculous that anyone would not ride tubeless. But for people who don’t maintain or ride their bikes on regular basis, tubeless is a huge pain in the ass, and unfortunately that’s the majority of the bike buying public.
Great answer. Never thought about the transit time. I want full control over my tubeless setup and final assembly anyway.
@WAKIdesigns is starting a small bike component company (small company, not company that makes parts for small bikes) that takes XT and XTR 12 speed cassettes and grinds off the largest 51 tooth cog. Hit him up.
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11-speed? In an unexpected turn of events, Shimano developed an 11-speed cassette that shares the same gearing as its 10 by 51, but with the 51 removed. The reasoning was that, when asked, Shimano's sponsored racers (both from enduro and cross country), maintained that they didn't need the 51, and were unwilling to carry the burden of the extra cog. Riders who commit to XTR 11-speed can choose a special hub that spaces
Hyperglide+ Gearing Options:
10 x 51 Wide Range:
• 12-speed
• 510% gear range
• 10, 12, 14, 16, 18, 21, 24, 28, 33, 39, 45, 51
• 367 grams
10 X 45 Rhythm Step:
• 12-speed
• 450% gear range
• 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 40, 45
• 357 grams
10 X 45 Lightweight:
• 11-speed
• 450% gear range
• 10, 12, 14, 16, 18, 21, 24, 28, 33, 39, 45
• 310 grams
the hub flange 4.7 millimeters to the right to help even out the spoke tension, but there's no going back to 12 speed, because the 12th cog will touch the spokes. 11-speed cassettes are backward compatible with 12-speed hubs. Adding up the weight benefits of one less aluminum cog, a couple of missing chain links, and by taking advantage of XTR's mid-length rear derailleur cage option, finicky pros can save 80 grams.
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I was mainly commenting on a carbon manufacturer's ability to produce a cheaper aluminum offering for less than an exclusive aluminum brand.
50% of you, I guarantee lie about your bikes weight to your friends and yourself (shame on you) , and the other 50% couldn't distinguish a 29 pound bike from a 33 pound bike and more than likely would feel that the 33 pound bike felt more "stable"
*laughing face*
That being said, I think many folks would be interested in an aluminum build with SLX and Fox. It would likely push it close to the $3k mark though.
"Capable"/"all-mountain" bikes 27,5 or 29, 160 front, 140 to 155 rear, good for climbing, good for descending, good for a bikepark day or two a year, good for few enduro races.
Then 29er (rarely 27,5), 160 or 170 front, 150 to 170 rear, capable of climbing, really great for descending, for EWS, bikeparks laps, etc...
And at the other end of the spectrum, what was "big travel XC" and are now "mini-enduro bikes" : 29 (or 27,5), 130 to 150 front, 120 to 140 rear, very good for climbing, very good for descending on "normal" trails.
That's it, those which was named "enduro" are now dedicated to enduro races (so are the new "freerider bikes", capable of climbing on the seat), when a really do-it-all bike is now an all-mountain (just like it should always be) and a trail bike is a bike which shines on your daily trails.
Big S was smart, and a big enough company to do versions of the Stumpy for all tastes. Short travel, regular and the EVO. Though you still get pushed to the Enduro if your a bigger guy cause they don't make the evo in larger sizes...
I picked up a 2019 AL Capra that weighs 5 pounds more than my trail bike. I got it as a park bike for those trails where my DH bike is overkill and as a backup park bike. But because it is new I've been riding it on local trails. I might be a bit slower on the climbs but not enough that I can tell except by putting a stop watch to it. And I'm having a blast in the down hills. It feels so much more composed that I'm hitting the bigger features without thinking twice. And I'm using all the travel.
5 pounds of 2.5 percent of my total riding weight. So not a huge deal for climbing speed. And the more modern geo and better technical climbing (wheel size) cuts that difference a bit. Regardless it is a piece I'm willing to pay for the down hill fun, apparently.
Guy 1: Okay guys we made a great bike last year, everybody loved it. What should we do for next year?
Guy 2: Ummmm how about more of everything?
Guy 1: Genius! that's a wrap for today everyone.
BTW, has your Capra also a broken chainstay (bridge near BB)?
Or a Stumpy ST of $1,680.
High end YT’s are where the bargain is low end is pretty meh.
@sunringlerider
Fuel EX: Garbage Shimano group, Boring...
Stumpy ST: Yeah, that's a good one!
Giant Stance: Geo kinda sucks, Meh...
Ya the stance is pretty bla. The trance is a little better and still pretty awesome price point.
My point is that just about every bike mfg makes bikes at this price point that have shit components.
I can’t say much I have a garage full of dentist bikes. But I’m not a dentist, just broke.
I think that blue with a silver Pike would look sweet though, but I'm not in the market.
year 2020 - Yari RC, RockShox Deluxe Select, Sram ... Price 2299 €
Why ??????????????
Offer this bike, but also offer a 3K aluminum bike that has solid suspension.
Cheaper ($600)
But...
Ripmo = nx drivetrain, better sus package. Better geo, arguably better sus platform.
Reality check says an xl ripmo weight (actual) 35.71 pounds With pretend pedals.
Loving alloy but I’m baffled by trail bike weights these days.