612 Track rings are the perfect compliment to any 144mm B.C.D. crankset. They are made from 7000 series aluminum and feature a lovely and durable anodized finish.
- BCD: 144
- Chain Compatibility: 1/2-inch x 1/8-inch
PLEASE NOTE: Some bicycles on our website are available for pre-order only. To see the list of pre-order models and estimated ship dates CLICK HERE