CANNONDALE 2017 2016 2015 2014 2013 TRAIL Rear Derailleur Gear Mech Hanger CC037

Cannondale made a running change in their KIDS TRAIL 24 bike production, early runs using a unique hanger (Cannondale part # KP316), which has different hole spacing than our CC037. CC037 mounting holes are 28mm center-to-center.