design, CNC turning, tight and delicate threads Colored by vacuum electroplatingHigh-Quality Material: Crafted from premium aluminum alloy , chainring bolts offer exceptional durability and resistance, ensuring long-lasting percompatible withmance in all weather conditions.6.5mm compatible with single chainrings, making them suitable compatible with a wide range of road and mountain bikes.Easy Installation: Designed compatible with hassle-free installation, these chainring screws can be quickly and securely attached to your bike, enhancing your cycling experience without the need compatible with professional help.5-piece set to best suit your bike's requirements and optimal percompatible withmance.SpecificationsMaterial: Aluminum AlloyColor:GoldSize: 6.5 x 9.5 x 12mmPackage Contents:5Pcs Chainring Bolts SetOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.