Park Tool WH-1 Wheel Holder. No more need to hold wheels between your knees balance on a bench top or ask for help. The WH-1 Wheel Holder firmly holds thru axle and quick release wheels at three convenient positions. Its like having a strong helper to hold wheels during cleaning tire and tube work hub work cassette work and tubeless installation. The WH-1 can be bolted or clamped directly to a bench or installed in a bench vise.