All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances. CNC machined 6061 aluminum Black anodized finish Distance between mounting holes: 28mm (2) M3x8 Flat head screws included Replaces Cannondale Hanger #KP284 Important Note Cannondale made a running change in their KIDS TRAIL 24 bike production with early runs using a unique hanger (Cannondale part # KP316), which has different hole spacing than our DROPOUT-269. Measure the distance between the the hanger mounting holes. DROPOUT-269 mounting holes are 28mm apart center-to-center. Cannondale KP316 is 24mm. Later runs of KIDS TRAIL 24 frames will use DROPOUT-269. Compatibility Cannondale Catalyst - 2016 Forray - 2016 Kids Trail 24 - 2013 - 2015 RUSH 29ER - 2014 - 2015 Trail 27.5 - 2016 TRAIL SL - 2013 - 2015 Adventure Neo - 2020-