This is not just any precision machined piece of 7075-T6 aluminum. We actually take time to polish it up so it looks nicer or as nice as the one you are replacing. The drilled holes give it a distinct look and lightens it up. We also machine out the back to further lighten it up.
- 144BCD (true track ring BCD) so you can put it on a Sugino 75, Zen, or Shimano Dura-Ace track crank
- Also available in 130BCD
- Black or Silver
- For 1/8" chains only