Features:1. The bicycle chainring is made of aluminum alloy material, after computer numerical control machined, which has good compression resistance. It is not easy to rust, is strong, and is durable for long-time use.2. The bike chainrings have sharp and blunt teeth, which makes the chain easier to off when shifting.3. Our bicycle chainring is treated by the electroplating process. It is integrally formed, without breakpoints, with strong continuity, smooth surface, not easy to fade, and corrosion resistance.4. The bicycle chainring is easy to install and is a practical bicycle accessory. In addition, it is small in size, light in weight, and easy to carry.Specification:Size: about 182*182*3.5mm/7.17*7.17*0.14inBCD: about 104mm/4.09inNumber of teeth: 44TColour: BlackProduct list:1* Bicycle ChainringNotes: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.