NEW Ratio 1x12 Wide Ratchet and Cage Kit type_cassettes-freewheels-cogs It feature's SRAM's X-Dome architecture

It feature's SRAM's X-Dome architecture for ultimate strength and weight savings

This is the #1 tire choice for Tour Divide

Magnets & O-rings keep all parts in place

microSHIFT's H11 cassettes are manufactured to exacting tolerances for straightness

NEW Ratio 1x12 Wide Ratchet and Cage Kit type_cassettes-freewheels-cogs It feature's SRAM's X-Dome architectureThis cage & jockey wheel combination allows you to increase the capacity of your SRAM Force 1, Rival 1 or Apex 1 mechanical rear derailleur in order to use it with a cassette with up to 52 teeth. The Ratio 112 Wide Ratchet converts your shifter to 12 speed to use with wide range cassettes. In this kit you will find: Ratio 112 Wide Ratchet Garbaruk rear derailleur cage for SRAM 11 12 speed derailleurs Two Ratio nylon jockey wheels (12T & 16T), running