1、High-quality aluminum alloy material, lightweight and high strength, with surface anodized oxidation process, rust-resistant. 2、Equipped with integrated anti-slip washer, effectively preventing loosening and protecting the frame. 3、Easy to install and use, suitable for 15mm open-end wrench. 4、Suitable for upgrading mountain bikes, folding bikes, etc., with old or damaged hub nuts. 5、Each package includes 2 bicycle hub nuts. Size: M10*P1.0. Upgrade your bike with these high-quality aluminum alloy hub nuts, featuring anodized oxidation process for rust resistance. Easy to install and use with a 15mm open-end wrench, these nuts come with anti-slip washers for protecting your frame. Perfect for mountain bikes, folding bikes, and more, each set includes 2 M10*P1.0 hub nuts for a secure fit. Features: High-quality aluminum alloy material, lightweight and high strength, with surface anodized oxidation process, rust-resistant. Equipped with integrated anti-slip washer, effectively preventing loosening and protecting the frame. Easy to install and use, suitable for 15mm open-end wrench. Suitable for upgrading mountain bikes, folding bikes, etc., with old or damaged hub nuts. Each package includes 2 bicycle hub nuts. Size: M10*P1.0. Specifications: Color: Black/Red/Gold/Blue(optional) Material: 7075 Aluminum Alloy Size: M10*P1.0 Metric Fine Teeth Item Weight: 8g/ 0.28oz Package Size: 90 * 60 * 15mm/ 3.5 * 2.4 * 0.6in Package Weight: 9g/ 0.32oz Packing List: 2 * Axle Nut 2 * Axle Nut