Original Cannondale derailleur hanger for 2018 generation Synapse Carbon, F-Si, Topstone Alloy, and Slate bikes. This is an updated version of KP419/ which originally fit Slate, Beast of the East and others.
This is the single lead version. Make sure you have the correct axle threads. Double lead (Speed Release) version is part number K33009.
- Kit includes one derailleur hanger and mounting screw.