Park Tool PRS-2.3-2 Deluxe Double Arm Repair Stand with 100-3D Micro-Adjust ClampsDeluxe double arm stand offers repairs on 2 bikes at a time or individually. Solid and secure, will hold even the heaviest models of bikes. Easily rotates 360 degrees. The PRS 2. 3 2 features our 100 3D Micro Adjust Clamps, with narrow clamping jaws and a dual stage cam actuated system that quickly adjusts to accommodate nearly any seat tube or frame size Maximum weight capacity: 120 lbs. (54 kg) Clamp capacity: 0. 875" to 3" (22 76 mm) diameter