Compare: 2021 B'TWIN Rockrider ST 100 Kids' 20-Inch 6-9 Years Mountain Bike vs Rockrider ST 100 Kids' 24-Inch Mountain Bike Ages 9-12 vs Rockrider ST 120 20" Kids Mountain Bike Ages 6-9
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: 2021 B'TWIN Rockrider ST 100 Kids' 20-Inch 6-9 Years Mountain Bike vs Rockrider ST 100 Kids' 24-Inch Mountain Bike Ages 9-12 vs Rockrider ST 120 20" Kids Mountain Bike Ages 6-9 Compare: 2021 B'TWIN Rockrider ST 100 Kids' 20-Inch 6-9 Years Mountain Bike vs Rockrider ST 100 Kids' 24-Inch Mountain Bike Ages 9-12 vs Rockrider ST 120 20" Kids Mountain Bike Ages 6-9](https://d2yn9m4p3q9iyv.cloudfront.net/btwin/2021/rockrider-st-500-kids-24-inch-mountain-bike-9-12-years/thumbs/1000/caa58.jpeg)