Park tool professional wheel truing stand ts 4.2park tool's ts 4.2 is a pro level, workshop quality truing stand that ensures you can get your wheels spinning true with accuracy and hassle free precision'. '.strtoupper('t')his new innovative model is compatible with an even wider range of hubs, wheels and tyre sizes'. '.strtoupper('i')t is built to provide more clearance than ever before and is optimised for faster and easier calibration while being more robust and durable.compatible with wheel sizes from 16 to 29ingeniously designed to accurately self centres virtually any diameter wheel size, this truing stand is compatible with wheel sizes from 16” to 29” and gives clearance for tyres widths all the way up to 5” without needing to remove disc brake rotors.direct action truing caliper for precise wheel centringit features precise adjustment while keeping wheels centred thanks to its tall and movable uprights, plus, it also is equipped with direct action truing calipers'. '.strtoupper('t')hese super accurate calipers enables you to perfect the performance of the narrowest rims with outstanding accuracy'. '.strtoupper('a')lso, it's equipped with everything required for the greatest adjustability and wheel compatibility including, a built in speed knob to quickly change axle widths and thru axle adaptor fittings, and it features removable and replaceable nylon caliper tips to protect painted and anodised rims.featuresrim diameter compatibility 16 29hub width compatibility o.l.d'. '.strtoupper('7')5mm to over 250mmtyre width compatibility up to 5built in thru axle adaptorsremovable, replaceable nylon caliper tips to protect painted anodized rimsspeed knob to quickly change axle widthsplease note, this bike is for use on bmx tracks and skate parks'. '.strtoupper('i')n many countries, it is illegal to use this bike on public roads without using the two independent braking systems provided a front and rear brake.buy park tool workshop from chain reaction cycles, the world's largest online bike store.