Park TS-4.3 Professional Truing Stand. Park Tools classic truing stand design has been enhanced with taller uprights a wide base and oversized caliper fingers making it capable of accepting virtually any wheel and tire combination from fat tires to aero rims and from kids bikes to 29ers. The ergonomically-designed speed knob allows for quick adjustments to accommodate any hub or rim width in seconds. The TS-4.3 features sturdy uprights with integrated thru-axle adapters for compatibility with thru-axle quick release and solid axle hubs without additional parts or adapters. The oversized caliper fingers easily clear virtually any tire eliminating the need to remove the tire for truing which is especially useful for tubeless setups. Constructed from durable powder-coated heavy-gauge steel and manufactured assembled and calibrated in St. Paul Minnesota the TS-4.3 ensures smooth consistent operation with strong comfortable knobs spring-loaded calipers and removable composite caliper tips that protect painted rims and fragile materials. It is 100% adjustable and rebuildable for a lifetime of use.