Features1Anti Fall Chain: The teeth of the chainring will be made in the shape of different widths and thicknesses, filling the space inside the chain plate in a targeted way, restricting the chain's lateral range of motion, the chain can't jump out of the tooth tips, making it hard to fall off. 2Balanced Output: Bicycle chainring adopts balanced output, which can pull better, suitable for long distance, and more effective to keep your physical fitness. With positive and negative teeth designed to prevent the chain from dropping. 3CNC machining: Each tooth tip is CNC precise machined, rounded and not hard, which reduces wear and tear on the tooth tips. The chainring is anodized, not oxidized or discolored, long lasting. 4Aluminum Alloy: Bicycle chainring is made of full aluminum alloy, low density, good performance, firm and wear resistant. Constructed from material for strength, lightweight properties. 5Wide Application: Bike single narrow wide chainring is suitable for mountain bikes, road bikes, is the replacement to bicycle repair. Provides reliable performance and extended product lifespan.SpecificationItem Type: Bike ChainringMaterial: Aluminum AlloyPackage List1 x BikeChainring