Like new Giant Cyclotron Fluid Comp Trainer Giant Cyclotron Fluid Comp Trainer - Real Road Simulation (RRS) technology provides up to 2000 watts of quiet, smooth, progressive resistance - TurboTron 70mm alloy roller with internal cooling fins reduces heat build up and prolongs tire life - F4 fluid formed alloy frame provides incredible stiffness - Dial-adjust anti-skid feet keep your trainer stable and your floors clean - Accommodates most wheels from 24" to 29" - Pre-loading coupler and torque set knob allow for easy bike installation and removal - 17.6lb flywheel for improved road feel - Includes riser block Barley used by my wife...it's gotta go. In the store at 529.00