Park Tool PRS-30 Mechanical Lift Repair StandWith a footprint no larger than a traditional bicycle repair stand the PRS 30 easily lifts and lowers bikes up to 120 lbs. The professional grade clamp lowers to a height of 29` allowing you to clamp onto the seatpost or seat tube of most bicycles without needing to lift them into the stand. Height adjustment is accomplished using an internally geared mechanism driven by a simple hand crank. Height can also be adjusted using a common battery operated