Home Slickdeals Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26″, Unisex Black, S,M,L,... Slickdeals Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26″, Unisex Black, S,M,L, XL- Walmart.com $136.96 By ARCOM - 12 November 2022 49 0 SHARE Facebook Twitter Go to the deal page: Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26″, Unisex Black, S,M,L, XL- Walmart.com $136.96