Wheels Manufacturing Derailleur Hanger - 99 for mid-sized trucks Aero chainrings are NOT compatible

Aero chainrings are NOT compatible with Shimano GRX 600 series cranksets (FC-RX600-1

Choose Low Volume (LV)

Tanpan 10 allows you to use a 10 speed road shifter with a 10 speed mountain derailleur

Gripper profile and six replaceable steel pins per pedal for incredible traction

Super low profile design with a rugged Kevlar cover

Wheels Manufacturing Derailleur Hanger - 99 for mid-sized trucks Aero chainrings are NOT compatibleWheels 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