Wheels Press-8 Headset Cup Press Bearing ToolWheels Mfg Headset Cup Press is a robust, and easy to use tool made up of two machined aluminum handles, 1 2" threaded rod and two machined aluminum drifts One drift is machined with multiple steps to fit common head tube inner diameters The other drift has two sizes to press in cups with either 1 1 8" or 1 1 2" bearings, but may be used for other cups with odd sized sealed bearings Machined aluminum handles and drifts Red anodized drifts and handles