Feature:1. Made of 7075 aluminum alloy, super light and durable, more rust‑proof, fashionable and cool.2. Used on mountain bikes. Do not use excessive force when installing aluminum alloy nails, otherwise the nails may be damaged.3. With easy installation, and there is no need to waste your time, very convenient.4. With compact shape, take up no space and you can put it anywhere.5. Light weight, and durable, long‑term use, no need to change it all the time.Specification:Condition: 100% Brand NewItem Type: Single Speed Chainring BoltsMaterial: Aluminium AlloyQuantity: 10PcsHeight: Approx. 4.9mm/1.9inApplication: Mountain bike, road bike, bicycle double-disc modification accessories Package List:10 x Chainring Bolts