: You can use this high quality stem screw replacement to mount your bicycle handlebar stem screws that won't rust over time. This product is finely crafted, with a burr-free surface and rounded edges, so it won't hurt your fingers to install it while you're using it.The bicycle handlebar stem screws are made of high quality 7075 aluminum alloy, which is durable and lightweight. The rod screw diameter is 7.8 mm. Stem bolts are suitable for road bikes, bicycles, bicycles and bicycle handlebars.Features: It can be used for the replacement and installation of bicycle stem screws. Most of the original ones are steel screws, which will rust after a long time.If you replace them with this kind of aluminum alloy screws, there will be no rust. Aluminum alloy is different from ordinary aluminum alloy material, and its strength is very good in aluminum material.Precautions: Do not use this product on extreme fancy bicycles. The torque should be controlled at 4NM during installation. The wrench must be fully inserted, and must not be twisted in forcefully to avoid damage to the screws.Product Name: Bicycle Stem ScrewMaterial: 7075 Aluminum AlloySpecification: M5Size: 2 2.5*17* 7.8mmNote: Due to different light and screen settings, the color of the product may be slightly different from the picture. Please allow for slight size differences due to manual measurements.Package includes: 4 X screws