Wheels Manufacturing 303 Derailleur Hanger
Wheels Manufacturing 303 Derailleur Hanger
Replace a matching hanger with Wheels Manufacturing’s DROPOUT-303. Machined from 6061 aluminium with a black anodised finish, it is designed for selected Cannondale frames using the specified single-lead axle thread.
Check the exact fit
- Wheels Manufacturing hanger 303.
- M12 × 1.0 single-lead thru-axle thread.
- Manufacturer replacement for Cannondale KP419 and K33049 where the frame and axle specification match.
Not compatible with the stock double-lead Speed Release axle on 2019-onward SystemSix bikes. Match the hanger shape, mounting details and axle thread against your original part and the manufacturer’s fit guide before ordering. Have alignment and shifting checked after fitting.