Wheels Manufacturing Derailleur Hanger - 123 MFPN=WH21AERBST30SHI1227. 6061 T6 machined aluminum cups

6061 T6 machined aluminum cups are lightweight and durable

5CM) & KIT 160/180

Waxless Positrack base features a positive base structure for the best blend of kick and glide in all snow conditions

Hinged Polymer Cuff Fischer Speed Lock Easy Entry Loops

A light ski hat made of 85% Polyester and 15% Nylon Spandex

Wheels Manufacturing Derailleur Hanger - 123 MFPN=WH21AERBST30SHI1227. 6061 T6 machined aluminum cupsWheels Manufacturing Derailleur Hanger 123. 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