Cannondale Derailleur Hanger - KP255
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Product Information
Full details
The Cannondale Derailleur Hanger KP255 is an essential component for cyclists who own specific Cannondale road and hybrid models, designed to act as a sacrificial piece that protects your bike frame from damage during an impact. This hanger ensures precise shifting and drivetrain integrity, making it a must-have for maintenance kits; however, users must verify their specific bike year and model compatibility, as this part fits specific generations like the CAAD12, CAAD13, and certain Synapse frames.
All features
| Model Part Number | KP255 |
|---|---|
| Brand | Cannondale |
Extended Product Information
FAQs
Is this part compatible with my 2012 CAAD8?
No, this part is officially listed for the 2013-2014 CAAD8 models.
Can I straighten the hanger if it is bent?
While some hangers can be realigned using a dedicated tool, it is generally recommended to replace them as the metal fatigue can lead to future failure.
Does this include the mounting bolts?
The KP255 is the hanger unit itself; please check your current hardware to ensure your mounting bolts are in good condition.
How often should I check my derailleur hanger?
It is good practice to inspect it after every transport of the bike or following any contact with the rear derailleur.
Is this hanger compatible with through-axle frames?
This hanger is specifically designed for the frames listed in the compatibility guide; always verify your axle type before purchase.
Troubleshooting
Poor shifting after hanger installation
Check if the hanger is properly seated or if the derailleur requires a limit screw adjustment.
Derailleur feels loose or vibrates
Ensure the mounting bolts are tightened to the correct torque specification.
Pros and Cons
Pros
- Protects expensive carbon or aluminum frames from impact damage
- Restores smooth shifting performance to damaged drivetrains
- Genuine OEM part ensures perfect fit and geometry
- Essential for field repairs during long rides
Cons
- Specific to select Cannondale models only
- Requires proper alignment tools for optimal installation
- Not repairable once bent or deformed
Setup, Compatibility & Care
To install, first remove the rear wheel and unscrew the mounting bolts securing the old hanger to the frame dropouts. Clean the mounting surface before attaching the new KP255, ensuring the bolts are torqued according to manufacturer specifications. This hanger is compatible with the following Cannondale models: CAAD8 (2013-2014), Synapse (2013-2014), CAADX, Quick, Slice (2015), CAAD12, Optimo, CAAD13, and the 2020 Supersix EVO. Inspect your hanger periodically for signs of stress or misalignment, particularly if you notice phantom shifts or difficulty moving into the largest cog.