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Made out of hardened steel and NJS stamped, these lockings are essential for fixed gear and track cycling setups. Trusted by competitive riders, it delivers the performance and peace of mind you need on the track or the street.

* made for cogs 13T and bigger *

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Designed to pair seamlessly with track hubs and lockrings, the Dura Ace Cog is ideal for high-speed gearing setups on the velodrome or the street. Precision-cut threads ensure a secure fit and consistent drivetrain performance ride after ride

Heat-treated steel for strength and durability
Smooth, reliable engagement under load
Compatible with standard track hubs
NJS Stamped
Ideal for track, fixed gear, and single-speed builds

A trusted choice for riders who demand performance and reliability.

** IS THERE A SIZE THAT YOUR INTERESTED BUT DON'T SEE AVAILABLE? **

SEND US A DM @SUNDAYCYCLERY ON INSTAGRAM

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