Wheels Manufacturing Derailleur Hanger - 275 MFPN=380-0181027430 use the included Wolf Tooth

use the included Wolf Tooth chainring bolts

The Active Universal Jr is the ideal choice for young skiers looking for a durable and versatile introduction to cross-country skiing

Accepted by the UCI for road competition

On Wolf Tooth’s patented wide/narrow chainring

Wheels Manufacturing Derailleur Hanger - 275 MFPN=380-0181027430 use the included Wolf ToothWheels Manufacturing Derailleur Hanger 275. 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. These