A distinct channel along either side of the center knobs

SINGLE CLAMP - Uses their race-proven Version 2

They're easy to mount

68 mm wide shell

20" push-button quick release wheels

WHEELS MANUFACTURING Derailleur Hanger - 199 wahoopromo A distinct channel along eitherWheels 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 machined 6061 aluminum Black anodized finish