Bicycle crown Cook Bros

With its classic style and made at USA, the COOK BROS crown is made of 6061 Aluminum, especially for the practice of BMX. It provides an optimized power transmission with enough stiffness for shifting and relaunching. It is designed to be mounted on a 4 bolt crankset.

CHARACTERISTICS:
- Aluminium 6061-T6 sprocket
- 4 point BCD fixing 104mm diameter
- Chain pitch: 3/32