Shimano Dura Ace lockring
$ 18.00
Dura Ace lockrings are made of hardened steel, NJS stamped and are guaranteed to keep your cog right where you want it.
For use with 13t cogs or larger.
ⓘ Not compatible with Campagnolo, Miche, Phil Wood, Mack or Mavic hubs.
• NJS stamped
• 1.29"x24 tpi left-hand English threads