Chainring Direct Mounted Mountain Bike 5 Screws Round Chainring 110BCD/130BCD Narrow Wide Chainring for Bikes Crankset<br> Features: Bikes narrow wide chainring is make of aluminium alloy, designs with positive and negative to prevent the chain from falling, strong force.<br> Safe efficient design: Machining integrated, intensity is safe, suitable for long time cycling. Extended support pluses or minuses tooth shape, the chain can work better.<br> Size/BCD: 110/130; Splines: 36T 38T 40T 42T 44T 46T 48T 50T 52T 54T 56T 58T 60T.<br> The thicknesses of teeth is processed, which can work seamlessly with the inner and outer link of the chain to fit your cycling, reducing frictions and noise.<br> Bike chainring is suitable for most 110/130BCD cranks, please make surer your crank BCD and number of teeth specification carefully before purchasing.<br> Specifications: Materials: Aluminum Alloy<br> Color: As The Picture Shows<br> Package Weight: approx.110g<br> Size: approx.30cm/11.81in<br> Package Includes: 1Pc Bike Chainring<br> note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid.<br> Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!