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B'Twin Rockrider ST 540 S Mountain Bike - £600! | Mountain Bikes
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