Wheels Manufacturing Derailleur Hanger - 521 ModelNumber=G0287 and it reinforces the sidewall

and it reinforces the sidewall while letting the tread ride on air

Compact design stows 1 road tube tire levers and patch kit

Crown Race Diameter 40mm Bearing Grade Stainless Steel Primary Color Green S

Chain Connection Type Reusable Master Link Color Silver Defined Color Silver Drivetrain Speeds 8 Half Link Chain No Links (links) 116 Width 7

Wheels Manufacturing Derailleur Hanger - 521 ModelNumber=G0287 and it reinforces the sidewallWheels 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