Wheels Manufacturing Derailleur Hanger - 548 MFPN=820-12-555-KIT Leaves a non-sticky streak and

Leaves a non-sticky streak and gloss-free protective finish

Utilizes the super-fast carcass of the Racing Ralph

Fits Brand Marin Fits Brand Polygon

} The Tech 4 uses all new internal sealing for reduced friction and the pivot spins on roller bearings

Plus its premium machine-finished aluminum textures showcase the integration of design and engineering

Wheels Manufacturing Derailleur Hanger - 548 MFPN=820-12-555-KIT Leaves a non-sticky streak andWheels Manufacturing Derailleur Hanger 548. 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