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
How I got the Btwin Rockrider 540 MTB & went on a Manali-Leh expedition | Team-BHP
BTWIN by Decathlon ROCKRIDER 540 RED MTB CYCLE 700C T Mountain Cycle Price in India - Buy BTWIN by Decathlon ROCKRIDER 540 RED MTB CYCLE 700C T Mountain Cycle online at Flipkart.com