Aerozine A3 MTB Bicycle Bike Chainring BCD-104mm 42T for Shimano Triple crank
Aerozine Mountain Bicycle Bike Chainring
Material:7075-T6 Alloy Fully CNC Machined
Teeth: 42t
BCD:104mm
4-arm spider
Compatibility : 9/10 speed
Weight: approx.67g/set
For Shimano/Sram 3x9 / 3x10 Speed use