The standard of the bike industry for over 35 years. The PRS 2 OS 2 features two Micro Adjusting clamps to hold two bikes. The stand rotates horizontally 360 degrees, allowing one bike to be swung out of the way so the other clamp can be used for rush repair jobs. Shop quality 100 3D Clamps 2 quickly adjust to fit any frame tube up to 1 58 41mm. Clamps rotates 360 degrees for easy access to any part of the bike. Clamp height is adjustable from 50 to 62 127 158cm. Large diameter upright tubing resists flex. Bolts directly to the floor or bolts to the 118 lb. 135 base sold separately, ensuring rock solid stability. Chrome plated. Includes 105 Aluminum Tool Tray. Replacement parts available so stand can be completely rebuilt. NOTE: The PRS 2 OSL does not include the 135 base base. This base is sold separately.