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
![2020 ROCKRIDER ST 540 S Full Suspension Mountain Bike - 27.5" – Specs, Comparisons, Reviews – 99 Spokes 2020 ROCKRIDER ST 540 S Full Suspension Mountain Bike - 27.5" – Specs, Comparisons, Reviews – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2020/st-540-s-full-suspension-mountain-bike-27.5/thumbs/1000/8a734.webp)
2020 ROCKRIDER ST 540 S Full Suspension Mountain Bike - 27.5" – Specs, Comparisons, Reviews – 99 Spokes
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