Features of Park Tool TS-2.2 Pro Wheel Truing Stand Accept wheels up to 29in. with or without tire Taller, more accurate calipers accept rim widths up to 4in. Accepts hub widths up to 175mm Features nickel chrome plated heavy gauge steel and stronger, more comfortable knobs Removable and replaceable composite caliper tips protect painted rims and spring-loaded calipers and caliper arm prevent binding Uprights move simultaneously to accommodate front and rear wheels Smooth, accurate operation Model TSB-2 will work with models TS-2 & TS-2.2