Allows truing stand to be used with 12mm, 15mm, 20mm and 25mm thru axle hubs. Axles must be removed to use adaptors. Adaptors mount easily to TS-2.2 or TS-2. Allows truing stand to be used with 12mm, 15mm, 20mm and 25mm thru axle hubs Adaptors mount easily to TS-2.2 or TS-2 Truing Stand Axles must be removed to use adaptors