Extensions to enable the TS2 wheel truing stand to take 20 mm thru-axle, extra wide hubs & very large diameter rim & tyre combinations. TS-2EXT Truing Stand Upright Extensions install in seconds on any TS-2 Truing St&, allowing the stand to be used on wheels with 160 mm width hubs including tandem & downhill bikes, as well as on 700C wheels with a 29 inch mountain bike tyre installed. In addition, specially sized bosses on the TS-2EXT serve as adaptors so the TS-2 Truing Stand can be used with wheels using 20 mm through axle hubs.