Truing stand upright extensions install in seconds on any TS-2 or TS-2.2 Truing Stand, allowing the stand to be used on wheels with hubs up to 200mm wide (tandem, fat and downhill bikes), as well as on wheels with a 29` mountain bike tire installed Specially sized bosses serve as adaptors so the stand can be used with wheels using thru-axle hubs with removable axles Same features as the the TS-2EXT.2 with the addition of slots to secure rear drive e-bike wheels Note: TS-2.2 Truing Stand does not require these adaptors to accommodate 29` wheels but does require it to fit hub widths from 180mm to 200+mm TS-2 EXT.3 Extension TS-2 TS-2EXT.3UPC/EAN/GTIN: 763477008343