Compare bikes: Compare Btwin Rockrider ST 920 (2020) vs. Giant ATX ATX 3 (2020) - Findabike

The new aluminium chainset has a 152 mm crank that is suited to the child's leg length. This light chainset allows you to start pedalling more easily.The double guard over the chain stops it jumping.

KMC Z7

Prowheel forged, 24/34/42

Front: Shimano Tourney - Rear: Shimano Tourney

Shimano EF41

Shimano MF-TZ500, 14x34

SR Suntour XCE 26"/27.5", 100mm

Our engineers have designed a new aluminium frame. Durable, lightweight and responsive: designed for tackling any obstacles when out mountain biking. - Top tube length: 479.3 mmSeat tube length: 345 mmChainstay length: 415 mmSeat post length: 370 mmHead angle: 68.2°

ALUXX-Grade Aluminum, disc

This 24" ST 920 bike comes with an air fork that adapts to the child's weight.Take on new challenging terrain (roots, stones, gravel, etc.) with ease thanks to the travel of the front suspension fork.

N/A

Giant Sport, alloy, 15-degree

alloy, sealed bearing

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).

Giant GX03V 26/27.5, alloy, double wall, 21mm inner width

stainless, 14g

Giant QuickCross 27.5x2.1/26x2.1

Tektro TKB-172, mechanical disc

Giant Sport, 25.4, alloy

Giant custom

Giant Sport, 30.9x350

Giant Sport, alloy, 15-degree

platform