Lightweight 6061 aluminum frame Alloy crankset with sealed cartridge bottom bracket 37mm wide alloy rims with stainless steel spokes 26 x 2.50` cruiser tires Mid-rise steel cruiser handlebar Sun double coil spring cruiser saddle Steel chain guard and fenders Alloy kickstand Men`s 18.5` Satin Black Dark Grey Single Speed Coaster Brake 31.5`