Cannondale Lefty Truing Axle ToolThe Cannondale Lefty Truing Axle Tool functions as an axle on a truing stand, but will not function like a real axle. Remove the wheel from the fork and remove the axle cap and bolt assembly, slide in the Lefty Truing Axle Tool, and replace the small sleeve on the adaptor. You will need an additional tool to remove the axle cap. Compatible with Lefty 50, and Lefty 60. Compatible with Lefty 73 with KH164 adaptor.769753851481