pu wheel super high rebound pu and good at grip hardness:78A-90A color:any color OEM supply pu wheelOur wheel made in super high rebound pu,with excellent quality and reasonable price.1)material: super high rebound pu,plastic core2)size:55x30mm3)color: could make in any color as your requirement4)hardness: could make in any hardness as your requirement We accept OEM and DIY service, please don't ...