Which 21-speed Cycleaddons bike fits your rider?
All three bikes in this line share a Shimano 21-speed drivetrain and mechanical dual disc brakes, according to their shop descriptions. The decision isn't about gearing — it's about wheel size, tire width, and who the frame geometry was built for.
| 24 inch mountain bike - Shimano 21-Speed | CycleAddons | 26 inch fat tire bike - 21-Speed Shimano | CycleAddons | 24 inch mountain bike - Shimano 21-Speed | CycleAddons | |
|---|---|---|---|
| Wheel Diameter | 24 inch | 26 inch | 24 inch |
| Tire Width | 1.75 inch | 4.0 inch | — |
| Frame Material | High-strength steel | High carbon steel | Steel, lower standover height |
| Suspension Fork | Front suspension fork | Thickened parallel bar shock fork | 100mm front suspension fork |
| Drivetrain | Shimano 21-speed, handle shifter | Full Shimano 21-speed kit, grip shifters | Shimano 21-speed, shift handle |
| Brakes | Dual mechanical disc | Dual mechanical disc | Mercury100 dual mechanical disc |
| Primary Riders (per shop) | Boys, girls, teenagers | Adults, youth, extreme explorers | Teenagers, girls, women, smaller riders |
| Published Dimensions & Weight | — | — | 66.00\" L x 24.80\" W x 35.00\" H, 35 lbs net |
24 inch mountain bike — S24102
24 inch mountain bike - Shimano 21-Speed | CycleAddons pairs 24-inch wheels with 1.75-inch wide tires, a high-strength steel frame, and a front suspension fork. The shop describes it as built for growing boys, girls, and teenagers who want a capable trail bike that also works as a daily commuter. It's the general-purpose 24-inch option in this lineup.
24 inch mountain bike - Shimano 21-Speed | CycleAddons — currently listed at $279.00, down from .
26 inch fat tire bike — S26109
26 inch fat tire bike - 21-Speed Shimano | CycleAddons is the outlier in wheel size and tire width: 26-inch wheels wrapped in 4-inch fat tires, described as suited to sand, snow, and rougher off-road terrain than the 24-inch models. Its frame is listed as high carbon steel, and its drivetrain uses Shimano grip shifters rather than a handle shifter. The shop positions it for adventurous adults and hardcore trail explorers rather than younger riders specifically.
26 inch fat tire bike - 21-Speed Shimano | CycleAddons — listed at $279.
24 inch mountain bike — S24103
24 inch mountain bike - Shimano 21-Speed | CycleAddons matches the S24102 on wheel size (24 inch) and drivetrain (Shimano 21-speed), but the frame is described with a lower standover height, aimed at teenagers, girls, women, and smaller riders. It's also the only one of the three with published dimensions and weight in the shop's specification list, and it uses a Mercury100-branded disc brake setup rather than the unbranded dual discs on the other two.
24 inch mountain bike - Shimano 21-Speed | CycleAddons — currently listed at $379.43, down from . If you're checking out any of these, OFFERDY can be applied at checkout.
Who each one suits
- S24102: a general 24-inch trail/commuter hardtail for boys, girls, and teenagers, per the shop's own description.
- S26109: the widest tires and largest wheel size here, described for sand, snow, and rougher terrain, aimed more at adult and hardcore riders.
- S24103: same wheel size and drivetrain as the S24102, but with a lower standover frame described for smaller riders, plus published dimensions and weight the other two listings don't include.
Prices shown were captured on 2026-08-06 and may have changed since.
