Wheels Manufacturing Derailleur Hanger - 99 MFPN=TC9661 }Profile Aerodrink Base Bar Bracket

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A patented breakaway peak will snap off the helmet in a fall enhancing neck protection

Zipp 404 Firecrest wheels are better than ever now featuring a Tubeless ready design that allows for reduced tire pressures and lower rolling resistance combined with increased cornering grip and compliance without the risk of pinch flats

Wheels Manufacturing Derailleur Hanger - 99 MFPN=TC9661 }Profile Aerodrink Base Bar BracketWheels Manufacturing Derailleur Hanger 99. 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. CNC