| Sandy Bicycle | | OR | Sandy | 6 |
| Sawmill Cycles | | PA | Honesdale | 1 |
| Sawmill Cycles Hawley location | | PA | Hawley | 0 |
| Service Bikes Tios | | | Ciudad de Mexico | 0 |
| Shoreline Of Tahoe | | NV | Stateline | 6 |
| Sickler's Bike And Sport Shop | | PA | Clarks Summit | 3 |
| Sid's Bikes | | NY | New York | 8 |
| Sinclair Cycles | | | New Milton | 0 |
| Singletrack Cycle Shop | | ME | Naples | 2 |
| Ski Hut West | | MN | Duluth | 7 |
| Skookum Cycle And Ski | | BC | Salmon Arm | 30 |
| Skookum Cycle And Ski Revelstoke | | BC | Revelstoke | 27 |
| Sovereign Cycle | | BC | West Kelowna | 47 |
| Speakeasy Bikes | | PA | Palmerton | 1 |
| Spinful Bike | | MI | Grand Rapids | 3 |
| Sport Aux Puces | | QC | Longueuil | 101 |
| Sport Systems | | NM | Albuquerque | 4 |
| Start Line MTB - TIGNES | | | Tignes | 4 |
| Stix & Stones Mobile Repair | | CA | Walnut Creek | 0 |
| Stonehenge Cycles | | | Salisbury | 22 |
| Stows Cycles | | | Slough | 3 |
| Straight Line | | BC | | 71 |
| Sun Country Cycle | | BC | Kelowna | 27 |
| Sunshine Cycle Works LLC | | CT | Colchester | 34 |
| Sunshine Cycles | | GA | Athens | 7 |