Kuat Trail Doc repair arm Fits tube sizes from .75"-2.5" 8 position, 360 degree rotation Lever action for easy rotational adjustments Telescoping tube for varied vehicle heights The Trail Doc uses the vehicle as its base so there is no need to worry about unlevel ground or bikes being unstable during maintenance Say goodbye to cumbersome mechanic's clamps The Trail Doc is built to fit on your platform rack for trailside repairs