PARK PRS-2.3-2 BASE SOLD SEPARATELY w/100-3D CLAMP BLUEThe standard of the bike industry for over 40 years, the PRS 2. 3 clamps two bikes and rotates horizontally 360 degrees, allowing one bike to be swung out of the way to work on another Available with either 100 3C Adjustable Linkage Clamps (PRS 2. 3 1) or 100 3D Micro Adjust Clamps (PRS 2. 3 2) with narrow clamping jaws and a dual stage cam actuated system Stand height and clamp position are firmly secured in place using the proven lock block system