FRAMESET Frame Low-profile, easy step-over/stand-over frame design, easy on/off and learning for tiny tots Fork Steel 1" threaded COMPONENTS Brakes: Coaster brake rear + sidepull front learn to use hand brakes, with safety of the foot/coaster brake - many options for learning to stop. Brake levers Sized for smaller hands, smooth safe plastic lever. Handlebar Steel 22.2mm Stem Quill, Steel bottom/alum top Saddle High-back saddle with handle prevents kids from sliding off the back, easy-to-carry, great for the parental clutch grab. Seat Post Steel 25.4mm/1" WHEELSET Rims Steel Tires 16 x 2.125. Large profile, 2.125 tires safe, smooth ride.