![B'Twin RockRider ST 540 Mountain Bike 2018, Red and Grey - 27.5" Size S, Sports Equipment, Bicycles & Parts, Bicycles on Carousell B'Twin RockRider ST 540 Mountain Bike 2018, Red and Grey - 27.5" Size S, Sports Equipment, Bicycles & Parts, Bicycles on Carousell](https://media.karousell.com/media/photos/products/2019/11/12/btwin_rockrider_st_540_mountain_bike_2018_red_and_grey__275_size_s_1573523736_696f6683.jpg)
B'Twin RockRider ST 540 Mountain Bike 2018, Red and Grey - 27.5" Size S, Sports Equipment, Bicycles & Parts, Bicycles on Carousell
![Compare: 2020 Rockrider 27.5" Mountain Bike ST 540 S - / vs ROCKRIDER ST 560 S Full suspension Mountain bike - 27.5" vs ST 900 Mountain Bike, - 27.5" – 99 Spokes Compare: 2020 Rockrider 27.5" Mountain Bike ST 540 S - / vs ROCKRIDER ST 560 S Full suspension Mountain bike - 27.5" vs ST 900 Mountain Bike, - 27.5" – 99 Spokes](https://99spokes.com/api/og/compare?i=%2Frockrider%2F2020%2F27.5-mountain-bike-st-540-s-%2Fthumbs%2F400%2Fc9aaa.jpeg%2C%2Frockrider%2F2020%2Fst-560-s-full-suspension-mountain-bike-27.5%2Fthumbs%2F400%2F6b7e9.jpeg%2C%2Frockrider%2F2020%2Fst-900-mountain-bike-27.5%2Fthumbs%2F400%2F6118c.jpeg&token=c4ce9952c7c3dcb527bc9ee6d7ba6995b864338d4372bb499883775c0a5be436)
Compare: 2020 Rockrider 27.5" Mountain Bike ST 540 S - / vs ROCKRIDER ST 560 S Full suspension Mountain bike - 27.5" vs ST 900 Mountain Bike, - 27.5" – 99 Spokes
![2022 ROCKRIDER 27.5 Inch MOUNTAIN BIKE FULL SUSPENSION ST 540 – Specs, Comparisons, Reviews – 99 Spokes 2022 ROCKRIDER 27.5 Inch MOUNTAIN BIKE FULL SUSPENSION ST 540 – Specs, Comparisons, Reviews – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2022/27.5-inch-mountain-bike-full-suspension-st-540/thumbs/400/f3c66.jpeg)