This kit is designed to allow 1×11 SRAM riders to upgrade to wide range 1×12 more easily than ever.
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This 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 1×12 Wide Ratchet and Cage kit converts your shifter to 12 speed to use with wide range cassettes.