SHIMANO CS-MX66 DX Bicycle Single CogsPair this cog with your Shimano compatible rear hub, spacers and a lockring (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. Machined from heat treated chromoly and then chrome plated, these seriously tough cogs are strong, shiny and they come in sizes from 13T to 22T so you can pick the perfect gear.

DUB Spindle Configuration: Optimized for better moisture sealing and a more uniform fit

📐 Specifications

use minimum pressure

Dedicated to MTB Cyclists: Designed for those who value both comfort and practicality on the trails

these offer a 15% improvement in friction coefficient performance

low-profile interface that prioritizes both style and podium-ready control

Sweep: 60°

It boasts advanced training tools

KTV DRIVE+ REAR LIGHT MODES:

even in wet or muddy conditions

1 X SRAM DUB  5

25% rubber