B'TWIN Rockrider 540s, full suspension electric mountain bike, fitted with a high performance Bafang BBSHD mid-drive electric motor with a 52v14ah... | By Ebike Choices | Facebook
Rockrider B'Twin 540S Full Suspension Mountain Bike - YouTube
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BTWIN RockRider 540S added a new photo. - BTWIN RockRider 540S
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Vélo Btwin Rockrider St 540S
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Rockrider 900 | XC-specific geometry, new SRAM NX single chainring 1X11 drivetrain, Mavic CrossRide FTS-X wheels. With the Rockrider 900, enjoy the piloting feelings of... | By BTWIN | Facebook
Testing the Rockrider MTB ST 540 s | Biking - YouTube