Wheels Manufacturing Derailleur Hanger - 17 Chain Wrap Capacity (teeth)-36 This derailleur uses SRAM Yaw

This derailleur uses SRAM Yaw technology with auto trim to ensure the fastest possible shift and quiet performance

Measuring left-side power to calculate total watts

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Large: Fits 23

Wheels Manufacturing Derailleur Hanger - 17 Chain Wrap Capacity (teeth)-36 This derailleur uses SRAM YawWheels Manufacturing Derailleur Hanger 17. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. CNC