Designed for versatility, this rear axle hub supports various riding conditions, from rugged mountain paths to urban streets. Its ball-bearing system minimizes friction, enhancing riding comfort and efficiency. Cyclists can rely on this product to improve their bike's performance and enjoy a cycling experience. Features -Color:Grey -Material:Metal -Size:18.50X2.50X2.50cm/7.27X0.98X0.98in - Rear Axle Long: 180mm -Thread diameter : 9.5mm -Solid construction: provides enhanced stability, ensuring a smooth and comfortable ride - protection: the large structure guards against dust and gravel, reducing wear on the axle core -Mountain terrain suitability: designed for complex mountain environments, enhancing your outdoor adventure experience and handling diverse terrains with ease -Efficient bearings: ball bearing technology reduces friction, improving riding efficiency and making pedaling more effortless -Quick maintenance: the quick replacement design simplifies daily maintenance and repairs, keeping your bike in optimal condition Package list: 2 x bike rear hub axle 4 x bead frame 4 x axle bowl