B'TWIN Rockrider 540s full suspension electric mountain bike. Converted for off-road use, using a high performance Bafang BBSHD mid-drive electric motor... | By Ebike Choices | Facebook
B'Twin Rockrider ST 540 S Mountain Bike - £600! | Mountain Bikes
27.5 Inch MOUNTAIN BIKE FULL SUSPENSION ROCKRIDER ST 540 - Blue/Orange ROCKRIDER - Decathlon
B'Twin RockRider ST 540 Mountain Bike 2018, Red and Grey - 27.5" Size S, Sports Equipment, Bicycles & Parts, Bicycles on Carousell