Compare: 2020 ROCKRIDER ST 100 Mountain Bike, - 27.5" vs ST 120 Mountain Bike, / - 27.5" vs ST 520 Mountain Bike – 99 Spokes
Compare: 2020 Rockrider 27.5" Mountain Bike ST 120 - / vs ROCKRIDER ST 100 Mountain Bike, - 27.5" vs ST 120 Mountain Bike, / - 27.5" – 99 Spokes
![Compare: 2020 Rockrider 27.5" Mountain Bike ST 120 - / vs ROCKRIDER ST 520 Mountain Bike vs St 520 Mountain Bike, - 27.5" – 99 Spokes Compare: 2020 Rockrider 27.5" Mountain Bike ST 120 - / vs ROCKRIDER ST 520 Mountain Bike vs St 520 Mountain Bike, - 27.5" – 99 Spokes](https://d2yn9m4p3q9iyv.cloudfront.net/rockrider/2020/st-520-mountain-bike-27.5/thumbs/1000/34d66.jpeg)
Compare: 2020 Rockrider 27.5" Mountain Bike ST 120 - / vs ROCKRIDER ST 520 Mountain Bike vs St 520 Mountain Bike, - 27.5" – 99 Spokes
![All New DECATHLON Rockrider ST120 | 2021 Decathlon Btwin Rockrider ST120 | Best Btwin MTB | Gear MTB - YouTube All New DECATHLON Rockrider ST120 | 2021 Decathlon Btwin Rockrider ST120 | Best Btwin MTB | Gear MTB - YouTube](https://i.ytimg.com/vi/8XT3zztShhU/mqdefault.jpg)