KiberAxle Bike Hub Quick Release Adapter 100mm Spacing, Mountain and Road Bike Aluminum Alloy Thru Axle 12mm to 9mm

Product Adaptation: Suitable for 100mm spacing. 12mm conversion to 9mm., Item Size: 4.33 x 0.47 x 0.47 in (11 x 1.2 x 1.2 cm); Weight: 0.04 lb., Surface treatment: The surface of the axle is black anodized to improve the wear resistance and rust resistance of the product., Easy installation: There are two rubber washers at the left and right ends of the axle to increase the tightness of the product as well as to dampen vibrations., Manufacturing Process: The axle is made of high-strength aluminum alloy material and precision machined by Computer Numerical Control. Higher strength and lighter weight. Bicycle lightweighting starts with the axle.