Rockrider ST 540 27.5 '' Hardtail MTB Shimano Altus 9S Black / Red | Alltricks.com
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
27.5 Inch MOUNTAIN BIKE FULL SUSPENSION ROCKRIDER ST 540 - Blue/Orange ROCKRIDER - Decathlon