... Size: 16", 18", 20", 24" 4.Color; Red, blue, chrome,etc U-24A (24", Aluminum rim or steel rim) ... Features: 1) Size: 24" 2) Materials: Aluminum rim, ... 3x3/4" in length, steel + ABS 7)Tyre: 24"x1.75, rubber in black or color one 8) Saddle ... FCL, 988pcs/40' HQ Lock support stand 16-24 inch Unicycle with support stand, different color (CE certificate)