Features1Single Chainrings Bolts: Precise engineered with a 6.5MM diameter, greatly matching the special requirements of small chainrings bikes for enhanced stability and peace of mind riding. 2Lightweight and Strong: 6.5MM Ti Alloy bike single chainrings bolts ensures both lightweight and exceptional strength, upgrading performance for your small wheel bike. 3Secure Anti Loosening Design: The unique lock structure effectively prevents screw loosening during riding, ensuring stable chainring lock even on bumpy roads, enhancing overall transmission system reliability and efficiency. 4Integrated Tooth Processing: The precise machined integrated tooth design improves screw engagement and facilitates quick installation and maintenance, saving time and enhancing riding enjoyment. 5Robust Material: Ti alloy material offers wear resistant, ensuring longevity and maintaining a new appearance and functionality in various weather conditions, extending product lifespan.SpecificationItem Type: Single Chainrings BoltsMaterial: Ti AlloyPackage List5 x Chainring Bolts1 x Sticker