... for children ,16 inch Unicycle 2.Steel rim or aluminum alloy rim 3.Size: 16", 18", 20", 24" 4.Color; Red, blue. bicycle for children ,16 inch ... Unicycle Model No.: U-16A (16", Aluminum rim or stell rim) Features: 1 ... : 691pcs/20' FCL, 1432s/40' FCL, 1580pcs/40' HQ bicycle for children ,16 inch Unicycle