Wheels Manufacturing Direct Mount Derailleur Hanger 397 MFPN=11.6815.026.080 O-rings and the flanged bushing

O-rings and the flanged bushing design blocks out dirt and mud

Separate dedicated lever for up- and down-shifts

Brake Lever Actuation Hydraulic Brake Lever Use Left Defined Color Black

Tooth Count 55 Chainring BCD 130

Wheels Manufacturing Direct Mount Derailleur Hanger 397 MFPN=11.6815.026.080 O-rings and the flanged bushingWheels Manufacturing Direct Mount Derailleur Hanger 397. 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