Wheels Manufacturing Derailleur Hanger - 327 Focus Cable & Housing Accessories -The 37mm height shims are

-The 37mm height shims are specifically designed for Thomson X2 and X4 stems

- For frames with vertical dropouts

Manufacturer Part Number: R0-118B

Manufacturer Part Number: WFPRCLTST

Wheels Manufacturing Derailleur Hanger - 327 Focus Cable & Housing Accessories -The 37mm height shims areWheels 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 Effective August 2018: These hangers DO NOT INCLUDE