2021
Rockrider - ST 900 S
Mountain · Trail · Unisex
Groupset microSHIFT
Weight 0.23 kg
Wheel size 27.5
Brake type Hydraulic Disc
See all specifications ↓
RRP
Observed price — New
Refurbished price
575 € incl. taxes
1 price points
Min: 1234 € (XXXXXXXXX)
Max: 1234 € (XXXXXXXXX)
Likely trade-in value
1 234 €
rockrider ST 900 S
About this bike

Meet the Rockrider ST 900 S 2021: a mountain-oriented bike in the trail segment.

Coverage is wide for this model: 1 retailers have stocked or listed the Rockrider ST 900 S recently in our index.

Expect to pay for a new Rockrider ST 900 S, against an official RRP of. Used or refurbished units land closer to 575 €, depending on condition.

Scroll down for the full retailer breakdown, price history and trade-in benchmark of the Rockrider ST 900 S.

Bikes currently in the market or recently sold
Retailer Image Link Model Year Condition Price RRP Discount Status Country Last seen First seen Online for Similarity E-Bike Groupset Mileage Size Brake type Frame material Wheel size Motor Torque Battery capacity Category
Retailer Link ST 900 S 2021 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-07-13 2026-06-15 28 Similar match No Other M Disco Aluminium 27.5 Mtb
Retailer Link E-ST 900 2020 Refurbished 1 234 € 1 234 € -20% On sale France 2026-06-22 2026-06-22 0 Related No Shimano Deore 988.0 170 cm – 185 cm 50 Nm 500 Wh
Retailer Link E-ST 900+ 2023 Refurbished 1 234 € 1 234 € -20% On sale France 2026-06-14 2026-06-14 0 Related No Shimano Deore 374.0 167 cm – 180 cm 70 Nm 504 Wh
Retailer Link ST 900 S 2021 Refurbished 1 234 € 1 234 € -20% On sale Europe 2026-06-08 2026-05-11 28 Similar match No Other S Disco Aluminium 27.5 Mtb
Retailer E-ST 900 2020 Refurbished 1 234 € 1 234 € -20% Sold France 2026-07-07 2026-06-27 10 Related No 50 Nm 500 Wh
Retailer ST 900 S 2021 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-06-27 2026-05-11 47 Similar match No Other M Disco Aluminium 27.5 Mtb
Retailer ST 900 S 2021 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-06-21 2026-06-08 13 Similar match No Other M Disco Aluminium 27.5 Mtb
Retailer ST 900 S 2024 Refurbished 1 234 € 1 234 € -20% Sold Europe 2026-06-01 2026-05-05 27 Related No Other L Disco Aluminium 27.5 Mtb
Brand Market Footprint

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Specifications
CategoryMountain
SubcategoryTrail
Year2021
ForkThe ROCKSHOX 30 SILVER 120 mm AIR shock is 400 g lighter than...
Weight0.23 kg
SuspensionHardtail
TravelNULL
Sizes XXXXXXXX
Components
Groupset microSHIFT
Crank The single chainring is easy and efficient to use. 1 chainring and 11 speeds: Accelerate on the flats and easily tackle the climbs. 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
Brake type Hydraulic Disc
Brakes 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 powerful use of the brake levers. The aluminium brake levers are easy to grip and precise.
Saddle 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.
Wheels & Tires
Wheel size 27.5
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