1High strength aluminum alloy material, hardness higher than steel, not easy to deform. 2Aluminum alloy body, the surface is anodized, the color is bright and corrosion resistant. 3CNC precision machining, high hardness, upgraded wear resistance, fine workmanship. 4Positive and negative tooth design to prevent chain drop and install simply, thickness is only 4mm/0.2in. 5It is an excellent bicycle modification accessory with stable and reliable performance.
Item Type: Positive and Negative Tooth DiscProduct Name: Round 30T ChainringMaterial: Aluminum AlloyThickness: Approx. 4mm/0.2inBCD: Approx. 104mm/4.1inWeight: Approx. 60g/2.1oz
1 xChainring