NJS stamped hardened steel: Provides superior durability and resistance to bending
Left-hand English threads: Ensures secure and stable cog locking
Compatible with 13T cogs or larger: Suitable for a wide range of road bike setups
Solid gray finish: Offers a clean, professional look
Summarized by Shop
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.
Specifications
• NJS stamped
• 1.29"x24 tpi left-hand English threads