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
![Compare: 2021 ROCKRIDER 27.5" Mountain Bike ST 900 S vs 27.5" MTB ST 530 S vs 27.5" Full Suspension Mountain Bike ST 540 S – 99 Spokes Compare: 2021 ROCKRIDER 27.5" Mountain Bike ST 900 S vs 27.5" MTB ST 530 S vs 27.5" Full Suspension Mountain Bike ST 540 S – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2021/27.5-mountain-bike-st-900-s/thumbs/400/28eb2.jpeg)
Compare: 2021 ROCKRIDER 27.5" Mountain Bike ST 900 S vs 27.5" MTB ST 530 S vs 27.5" Full Suspension Mountain Bike ST 540 S – 99 Spokes
![Btwin Rockrider 540 2017|Gear Cycle with Hydraulic Disc Brakes|27.5" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com Btwin Rockrider 540 2017|Gear Cycle with Hydraulic Disc Brakes|27.5" MTB cycles below Rs.50,000|Bicycle@ChooseMyBicycle.com](https://s3.ap-south-1.amazonaws.com/choosemybicycle.webp/images/reviews/btwin-rockrider-540-2017-frame.webp)