The 2020 B’TWIN Rockrider ST 920 Kids Alloy Mountain Bike - 24" is a 24″ aluminum frame mountain youth bike with hydraulic disc brakes.
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Estimated spec level of the Rockrider ST 920 Kids Alloy Mountain Bike compared to other mountain-youth bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.
|Rims||The double-walled aluminium rims are light and durable. For transporting the bike, we've made it easy to attach/detach the front and rear wheels. They are equipped with a quick-release system. 24-inch 1.7 to 2.2 cross-section inner tube with Schrader valve. Pressure indicated on the tyre sidewall (between 2 and 3.5 bar).|