This all-new Thru Axle Adapter accommodates 10mm, 12mm, 15mm, 20mm up to 157mm hub spacing (super boost). Combined with the rigid single-arm Pro Truing Stand and youre armed with an awesome wheel station for home, races, events, or adventure-riding weekends. In addition to being an excellent wheel and rotor truing station, the single-arm design also creates an excellent station for tubeless setup and tubular tire installation.