The Flybar 800, based on a one-of-a-kind, patented, fully-adjustable elastomeric spring system, has an elevation potential of over 5 feet. It feels like jumping on a trampoline. The high strength aluminum body safely supports riders from 80 to 180 pounds. Bike-pedal-width footpegs provide extra stability. It has a stowable tool and ultra-fast single pin adjustment with three different settings. An advanced polyurethane shock and sound absorption system ensures that you won't wake the neighbors. Includes full one year warranty.