PRS-33:~ The size and strength ensures a super rigid workstation able to go higher than ever before and the power lift allows effortless height adjustment for any bike up to 120 pounds (54kg). Perfect for lifting heavy electric bikes or for mechanics with lifting limitations but also great for easy height changes during a repair or set up. The PRS-33 is a single arm stand but can be made into a double arm stand with the addition of part number PRS-33 AOK. Adjustable height from 6" to 78". Includes 100-3D micro adjust clamp.