Specs Frame Hi-Ten Steel, with Chromoly seat tube Fork Steel with crown Rims Double wall aluminum silver Tires 700 x 28C Gumwall Gear Shimano 8-Speed Altus Stem Aluminum Handlebar Aluminum Brake Front and rear aluminum Tektro V-brakes Standard Front and rear rack, fenders, chain guard, kickstand Sizes and colors 48 cm (19″): Black, Sky Blue, red, Cream, Celeste green, Olive green, Orange 44 cm (17″): Yellow 42 cm (16″): Black, Sky Blue, red, Cream, yellow, Celeste green, Olive green, Orange Package Dimensions 45 lbs, 54 x 8 x 28 inches