High-performance, high-rebound scooter wheels which fit on most scooters and measure 100mm in diameter (standard 24mm width). These replacement wheels will have your scooter riding like its brand new! These wheels utilize a specialized outdoor urethane formula (88A Durometer) for longevity and durability while providing a smooth and comfortable ride. Includes 2 wheels with Abec 7 bearings installed. These are easy to replace on any scooter!