Cannondale Reducer Headset 1 1/2" to 1 1/8"

Cannondale Adapter Headset - 1 1/2" straight frame to 1 1/8" straight fork

Have a bike with a 1 1/2" steer tube, and looking to put on a 1 1/8" fork, then this is what you need. Basic headset with caged bearings.

Does not work on Headshoks, Leftys, or tapered forks. This only fits on 1.5" head tubes