Bicycle Components Road Bike Aluminium Integrated Chainring Chainwheel 2*11 Speed 39-53T

Product name: Bicycle Components Road Bike Aluminium Integrated Chainring Chainwheel 2*11 Speed 39-53T
Teeth: 50/34T 52/36T 53/39T
Used for: MTB Bike,Road Bike,City Bike
Speed: 9-12 Speed
OEM & ODM: Acceptable
Colors: Black, Red, Blue, Gold, Green, Colorful
Material: 6061-T6 or 7075-T6 Aluminium