... aluminum alloy rim 3.Size: 16", 18", 20", 24" 4.Color; Red, blue, chrome,etc U-16A (16", Aluminum ... 3) Fork: Clamp type, electro-plated or painted finish 4)Hub: Electro-plated or painted finish, ball-bearing 5) ... Crank: Electro-plated steel 6)Pedal: 3x3/4" in length, steel + ABS 7)Tyre: 16"x1. ... 75, rubber in black or color one 8) Saddle: Leather with spring 9) Seat post ...