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

6061 T6 machined aluminum cups are lightweight and durable

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

The XLC are the lightest and the most snow like solid rubber wheel roller skis V2 have ever produced

• Hood lined with warming grid fleece

Wolf Tooth’s patented Drop-Stop® wide/narrow tooth profile for the ultimate chain retention and mud shedding ability

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