Run with the pack.
The WolfCage derailleur cage from Wolf Tooth Components is a modified inner derailleur cage (facing the bike) and eccentric upper jockey wheel for Shimano 11 speed rear derailleurs that improves chain wrap and derailleur capacity. This is required for 11-49 cassettes (11-42 cassette + the Wolf Tooth GC 49) and also improves shifting and drivetrain life on other wide range cassettes.
The Wolf Tooth Wolfcage is compatible ONLY with Shimano 11-speed rear derailleurs.
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