●??20x1.75" 32mm Alloy integrated Molding ●??CNC Finishing Surface Treatment for Disc Brake & Single Speed For Disc Brake & Single Speed ●??Front 3/8"x100x160mm,Rear 3/8"x110x170mm ●??Inclde Nutted Axle Sealed bearings ●??Please be sure to look at the size of the wheel, if you have any questions, please contact us at the first time, we answer you within 12 hours!