Retail Stores in Portland, Oregon and Lancaster, Pennsylvania. When you need a wide, sturdy base to work on your wheels, the Park Tool TSB-4 Truing Stand Tilting Base securely holds your TS-4 truing stand. Plus... The Official Travel Resource for Zion National Park Securely holds the TS-4 Professional Wheel Truing Stand and tilts 20 degrees from front to back for comfortable wheel work and sightlines at any bench height Features a wide sturdy base, small parts compartments, spoke wrench holders and is constructed of a durable composite material Made in the USA and covered by Park Tool's legendary limited lifetime warranty 4., 7 out of 5 stars Best Sellers Rank #762,493 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #1,942 in Bike Shop Tools Park Tools Park Tool TS-4.2 Truing Stands Wheel Truing Stand Park designed this wide and sturdy composite base exclusively to hold the TS-4 Professional Wheel Truing Stand, and it allows for 20-degrees of tilt for improved ergonomics and better vision regardless of the bench height. And, instead of bolting the stand down, a moveable base allows for easy mobility