Compare: 2020 ROCKRIDER ST 100 Mountain Bike, - 27.5" vs ST 120 Mountain Bike, / - 27.5" vs ST 520 Mountain Bike – 99 Spokes
![Decathlon, Btwin ST120, Kids' Mountain Bike, 20 In., Kids 3 Ft. 11 In. to 4 Ft. 5 In. - FLH | USA Houseware & Auto Tires Supplier Decathlon, Btwin ST120, Kids' Mountain Bike, 20 In., Kids 3 Ft. 11 In. to 4 Ft. 5 In. - FLH | USA Houseware & Auto Tires Supplier](https://i5.walmartimages.com/asr/f597f167-d446-4e36-8a99-aedaf42fecb1.e88b4f24cfa9fd7bd96db84967382e5c.jpeg)
Decathlon, Btwin ST120, Kids' Mountain Bike, 20 In., Kids 3 Ft. 11 In. to 4 Ft. 5 In. - FLH | USA Houseware & Auto Tires Supplier
![Decathlon, Btwin ST120, Kids' Mountain Bike, 20 In., Kids 3 Ft. 11 In. to 4 Ft. 5 In. - FLH | USA Houseware & Auto Tires Supplier Decathlon, Btwin ST120, Kids' Mountain Bike, 20 In., Kids 3 Ft. 11 In. to 4 Ft. 5 In. - FLH | USA Houseware & Auto Tires Supplier](https://i5.walmartimages.com/asr/cbd2acac-3bb2-4db9-9266-25b20ab30d58.b2fff5dc8809e4c42f071385bb31151c.jpeg)