Compare bikes: Compare Rockrider ST 900 (2020) vs. Rockrider XC 50 (2020) - Findabike

The single chainring is easy and efficient to use.1 chainring and 11 speeds: accelerate on the flat and take on climbs with no compromise.1 single shifter on the handlebar: adapt your speed instantly like the pros as the terrain changes!In detail:-SRAM X1000 32-tooth single chainring-MICROSHIFT M665 11-speed rear derailleur-MICROSHIFT M8515 right shifter-MICROSHIFT H113 11-cog 11 to 46 teeth cassette-KMC X11 chain

The ST 900 S MTB has a UNISEX frame.The ST 900's frame has been carefully designed down to the smallest detail, from the top tube's relatively pronounced slope, to the wide range of sizes (M: 1.65m to XL: 2m). The ST 900 S MTB is not only lightweight and comfortable, but UNISEX as well.To make the most of the improved comfort, the women on the Rockrider team recommend the 500 Women's Sports saddle, which is specially designed for the female form. - For less weight and more efficient pedalling, the Rockrider ST 900 S frame is made from 6061 aluminium (only 2.5 kg in size M without suspension). It is 200g lighter than the ST 540 S frame thanks to its double butted front triangle.Its 120mm rear shock uses a single-pivot system (more sensitive to small impacts, while remaining firm when encountering large impacts) and sealed bearings for a great lifespan.

The stiff, lightweight ROCKRIDER XC frame has optimised geometry for physical performance.It was designed with shorter bases to leave space for wide tyres.Made of 6061 and 6013 variable thickness aluminium.Lifetime warranty on the Switch And Ride frame, single chainwheel only.148mm x 12mm rear axle.Press Fit 92 bottom bracket.31.6 mm diameter saddle tube.Compatible with double bottle cage (except in size S).Weight in size S: 1.5 kg.

The 120 mm Rockshox 30 Silver hydraulic fork is 400g lighter than that of the ST 540 mountain bike. It is conical and offers even more stiffness and precision when steering. Easily adjust the fork's bounce and stiffness. Its quick COMBO LOCK lockout system, which you can control from the handlebar, helps prevent bobbing and loss of speed on faster sections.

Grip and move over all types of terrain.29 x 2.10 Hutchinson TORO 2 tyresVersatile tyre designed for rides on all types of terrain: smooth, rocky, dry, muddy...Special studs to optimise steering, and sufficiently well spaced out so that they don't get clogged with mud when riding on muddy ground.High side lugs provide good grip in turns.

29" SWITCH & RIDE wheels: choose speed and inertia!Sun Ringle Duroc 30 SRC Tubeless Ready wheels, with BOOST format axles, 15 mm at the front and 12 mm at the back.Inner rim width: 30 mm.Sealed bearings.Equipped with a watertight rim strip that is Tubeless Ready compatible.To switch to Tubeless Ready: add a Tubeless valve, preventative liquid, and replace the original tyre with the same model in Tubeless Ready (available in Decathlon stores).

No matter what conditions you ride in (dry/wet), the Rockrider by Tektro 180 mm (front) and 160 mm (back) double hydraulic disc brakes will come through for you, even in the mud.Hydraulic braking adds more power and progressive braking and requires less effort applied to the brake levers.The aluminium brake levers are easy to grip, lightweight, and precise.

Exclusive Rockrider by Tektro hydraulic double-piston brakes.180 mm disc front brakes, 160 mm disc rear brakes.

The adjustable stem brings the ST 900 S controls to your hands. The all-aluminium ROCKRIDER stem is 70 mm (size S), 80 mm (size M/L), or 90 mm (size XL) and can be raised to 5 adjustment intervals: + 0mm, + 7.5mm, + 15mm, + 22.5mm, + 30mm.In detail:- 720mm oversize ROCKRIDER SPORT aluminium handlebar- ROCKRIDER ergonomic grips for good grip and a comfortable feel.

Our teams designed and created an exclusive ROCKRIDER ERGOFIT Pro saddle. Designed for all hip widths, its hammock shape is very comfortable for long, athletic rides. The aluminium Rockrider Sport seat post is lightweight and has a wide adjustment range, with a 31.6 mm diameter and 400 mm in length.Quick and easy tool-free adjustment of your saddle height using the adjustment lever on the seat post clamp.

Enjoy greater comfort when pedalling.The ROCKRIDER XC / AM saddle weighs 265 g. Reinforcements plus the Ergofit system for added comfort. The seat post is 31.6 x 400 to allow compatibility with telescopic posts.

The ST 900 S comes with Rockrider Flat platform pedals with a wider pedalling surface and more pronounced dots for better grip on the pedals.

The bike is supplied with B'Twin Flat Pro platform pedals. However, for better pedalling performance, we recommend replacing them with platform clipless pedals (not included).