Features:

CNC process 7075 aluminum alloy

Color:Anodized black

Size: 110 BCD、130 BCD

Thickness: 4MM

Speed: 9 10 11 12 speed chain.

support both Sram and Shimano 12 speed chain

Fit for: 110/130 BCD Crank , 5 arms

For Rotor 110/130BCD Road Bike