The sourcing map 5pcs double chain ring bolts for your M8 aluminum alloy bicycle crankset and nut, as well as chainwheel screws, comes in a pack of silver color. These high-quality components are essential for a smooth and secure connection between your chainrings, ensuring a reliable riding experience. The double chain ring bolts provide superior strength and durability, reducing the risk of chain drops or breaks. Moreover, the aluminum alloy construction ensures lightweight and long-lasting performance, with excellent crash-resistance properties. The included mountain wrenches, ranging from M10 to M16 sizes, offer easy and efficient installation or removal of the bolts. With this set, you can effortlessly upgrade your bike's performance and ensure a consistent and comfortable ride.