Description: Professional wheels for longboard, mountainboard Made from high quality PU Rubber? durable and wear-resistant Effective reduce the vibration feet and noise of the skateboard Size: 70mm (Diameter); 45mm (width); 20mm (inner diameter) Hardness: 75A Package Includes: 1 Piece Rubber Wheel Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !