Track Bike Fixed Gear Crank Chainwheel Closed Sprocket Closed 8-Bolt Closed Chainring

Product name: Track Bike Fixed Gear Crank Chainwheel Closed Sprocket Closed 8-Bolt Closed Chainring
Teeth: 36T
Used for: Track Bike, Road Bike, City Bike
Speed: 9-12 Speed
OEM & ODM: Acceptable
Colors: Black
Material: Aluminium