Wheels Manufacturing Derailleur Hanger - 521 PCD-L-67 Shimano SYNCHRONIZED SHIFT for manual

Shimano SYNCHRONIZED SHIFT for manual full- and semi-synchronized shifting program

50mm Chainline

The carbon rim combined with the DT Aerolite and DT Aero Comp spokes ensure perfect wheel stiffness

flat head bit

3D forging

Wheels Manufacturing Derailleur Hanger - 521 PCD-L-67 Shimano SYNCHRONIZED SHIFT for manualWheels Manufacturing Derailleur Hanger 521. 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. These