![Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 900 S – 99 Spokes Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 900 S – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2021/27.5-full-suspension-mountain-bike-st-900-s/thumbs/1000/ce063.jpeg)
Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 900 S – 99 Spokes
Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 900 S – 99 Spokes
![Compare: 2020 ROCKRIDER 27.5" Mountain Bike ST 540 vs ST 540 Mountain Bike, / - 27.5" vs 2021 Trek Marlin 5 – 99 Spokes Compare: 2020 ROCKRIDER 27.5" Mountain Bike ST 540 vs ST 540 Mountain Bike, / - 27.5" vs 2021 Trek Marlin 5 – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2020/27.5-mountain-bike-st-540/thumbs/400/30f0e.jpeg)
Compare: 2020 ROCKRIDER 27.5" Mountain Bike ST 540 vs ST 540 Mountain Bike, / - 27.5" vs 2021 Trek Marlin 5 – 99 Spokes
Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 900 S
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: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2021/27.5-full-suspension-mountain-bike-st-900-s/thumbs/400/ce063.jpeg)
Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S
![Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2021/29-full-suspension-carbon-mountain-bike-xc-900-s/thumbs/400/51f71.jpeg)
Compare: 2021 ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S vs 27.5" Full Suspension Mountain Bike ST 900 S - / vs 29" Full Suspension Carbon Mountain Bike XC 500 S
![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://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2020/27.5-mountain-bike-st-540-s-/thumbs/1000/c9aaa.jpeg)