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Surly Stainless Steel Track Cog Lockring

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Imagine, you pop into a skid. Instead of lightly shredding your rear tire and stopping with maximum style, your cog just unthreads and you ping into the back of a 2006 Corrolla. Shoulda got a lockring!


Surly's Track Cog Lockring was designed in conjunction with their Track Cog, and as such, they go together like hamburgers and hot dogs. It’s now a full 5mm thick, plus a lip (0.65mm extra) to maximize thread contact on all compatible hubs.

  • Fits English lockring threads (1.29” x 24tpi LH) to work on almost all track hubs available today except Campagnolo (1.32” x 24tpi LH) and French (33mm x 1mm LH).
  • Compatible with standard ISO-threaded (1.375” x 24tpi) hubs.

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