Features： 1、Anti 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. 2、Balanced 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. 3、CNC 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. 4、Aluminum Alloy: Bicycle chainring is made of premium full aluminum alloy, low density, good performance, firm and wear resistant. Constructed from premium material for strength, lightweight properties. 5、Wide Application: Bike single narrow wide chainring is suitable for mountain bikes, road bikes, is the perfect replacement to bicycle repair. Provides reliable performance and extended product lifespan. Specification： Item Type: Bike Chainring Material: Aluminum Alloy Package List： 1 x Bike Chainring