Wheels Manufacturing Derailleur Hanger 402 MFPN=910-21-370 Cycling Tuned Optics™ throws a

Cycling Tuned Optics™ throws a long range extra wide beam for road and mountain biking

but not Shimano 12sp chains)

A must-have for any shop home or professional

road noise is muted

Wheels Manufacturing Derailleur Hanger 402 MFPN=910-21-370 Cycling Tuned Optics™ throws aWheels 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 machined 6061 aluminum Black anodized finish Made