Wheels Manufacturing Derailleur Hanger #19 Training Closure System // BOA® M4

Closure System // BOA® M4 Fit System with Sequence lacing configuration for quick on/off and a custom fit

hand warming pockets

radio pocket

You'll save yourself money and valuable time

Spaceframe™ baffles offer unparalleled stability and weight distribution

Wheels Manufacturing Derailleur Hanger #19 Training Closure System // BOA® M4Wheels 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 hangers DO NOT INCLUDE attachment hardware