... , blue, chrome,etc U-18A (18", Double Aluminum rim ) Features: 1) Size: 18" 2) Materials: Double Aluminum rim, chromed frame (made from ... /4" in length, steel + ABS 7)Tyre: 18"x1.75, rubber in black or color one 8) Saddle: Leather with spring ... ' FCL, 1580pcs/40' HQ 18 inch Unicycle with support stand,Double Alum rim(CE certificate)