Wheels Manufacturing Derailleur Hanger - 311 MFPN=11.4018.065.003 The name Waveform comes from

The name Waveform comes from the wave that is machined into the inside front edge of the pedal

Stiff pedalling platform with built-in bump absorption

and strategic mesh ventilation stops you from overheating

0mm ID (45x45)

wide version for 55mm chainline

Wheels Manufacturing Derailleur Hanger - 311 MFPN=11.4018.065.003 The name Waveform comes fromWheels Manufacturing Derailleur Hanger 311. 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