... ", 24" 4.Color; Red, blue, chrome,etc U-16A (16", Aluminum rim or steel rim) Features: 1) Size: 16" 2) Materials ... : Aluminum rim, chromed frame (made from steel tube) 3) Fork: Clamp ... : 759pcs/20' FCL, 1572pcs/40' FCL, 1734pcs/40' HQ Lock support stand 16-24 inch Unicycle with support stand, different color (CE certificate)