Park Tool Home Mechanic TS 8 Truing Stand. Designed especially for the home mechanic, the TS 8 allows accurate wheel truing at an economical price. Accepts wheels with tires from 16 inch to 29 inch, with or without the tire mounted. Innovative sliding dropout allows quick wheel installation, no matter what the hub width up to 170mm. Dishing centering is performed by simply flipping the wheel in the stand. Constructed from heavy gauge steel to resist flexing, the TS 8 can be used freestanding or bolted to a bench for extra stability.