●CNC alloy core 88A PU wheel - High-quality scooter wheels made of CNC processed aluminium and strong 88A PU (polyurethane material). ●A pair of wheels with bearings – the package contains 2 scooter wheels and fast rolling and high-precision ABEC-9 bearings (Annular Bearing Engineering Committee). ●Size 100 x 24 mm adjust to most scooters. The diameter of the scooter wheel is 100 mm and the width is 24 mm. The wheels therefore fit most stunt freestyle scooters. ●Easy installation on many places: wheels are the most important part of stunt / freestyle scooters. Our 100 mm scooter wheel is ideal for use in parks and roads. Easy to install, start driving, spin faster and hold well. ●- - -