Park Tool TS-2EXT.3 Truing Stand Upright Extensions Description: The Park Tool TS-2EXT.3 Truing Stand Upright Extensions are designed to expand the wheel holding capacity of various generations of the Park Tool wheel truing stands. These easy to use extensions attach quickly and tightly to the truing stands uprights thanks to the quick release levers, and allow wider hubs and taller tires, including those found on tandem, downhill, and fat bikes, to fit within the truing stand uprights. Updated with a slotted end that accepts flat-sided axles, these extensions ensure you have the tools needed to true and tune modern bike wheels. Features: Quick release design installs in seconds onto any Park Tool TS-2, TS-2.2, or TS-2.3 Wheel Truing Stand Flip flop design has one end that accepts conventional axles and one slotted end that is compatible with rear drive E-Bike wheels with flat sided axles Attaching these extensions allows the truing stands to accept up to 29+" wheels with the tire installed, and quick release and solid axle hubs up to 200mm wide Can be used with Park Tool TS-TA or TS-2TA.3 Thru Axle Adapters (not included) to fit wider 12, 15 and 20mm thru axle hubs (up to 200mm wide) Ideal for fat, downhill, tandem and 29" wheels