Columba 26 Inch Alloy Folding Bike w. Shimano 18 Speed foldable alloy frame, Shiman 18 speed derailleur 26" wheels, alloy rim, foldable pedal, Front/rear V-brake. Zoom suspension, and rear alloy body spring suspension. Alloy crank arms, alloy front/rear hubs and V-brakes, alloy kick stand, alloy rim. Kenda 26"x1.75" tire. Foldable bearing pedals. Quick release front handle stem, with alloy silver color cap & PVC black bell.