Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.
These rings can be used in single ring applications.
These single chain rings have special properties which help retain the chain on the ring.
This is the part number or identifier for this item from the manufacturer
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.