Feature: 1. Strong compatibility, 130BCD, standard tooth profiles design to ensure the maximum chain retention. 2. This bicycle chainring can extend the life of being worn and reduce friction and noise. 3. Made of high‑quality aluminum alloy material, strong and durable, not easy to be damaged or deformed. 4. This bike chainring is reliable in quality, high in strength, durable, light in weight, and will not increase the weight of the bike. 5. This aluminum alloy bicycle crankset is very suitable for road bicycles, BMXs, and folding bikes. Specification: Item Type: Bicycle Chainring Product Material: Aluminum Alloy 7075 Number Of Teeth: 53T Hole To Hole Distance: Approx. 130mm/5.1in (130BCD) Process: CNC Machining, Anodizing Application: for Road Bike, BMX, Folding Bike Package List: 1 x Chainring Note: Before buying, please make sure that the crank BCD is 130mm(5.1in) !