Park Tool WAG-4 Wheel Aligner

The Park Tool Wheel Aligner is designed to provide good rotation performance to a wheel, it is very important that the wheel is centered between the axle and the rim width. The Park Tool WAG-4 allows easy control of road, BMX or mountain tires from 16 "to 29" (ETRTO 305-630). It works perfectly on any rim width and can be used precisely even with the tire installed on the rim.