Elite Tuno Power Fluid Trainer Pack Power fluid resistance unit offers 50% more power than standard fluid units Oversize Elastogel roller reduces noice by 50% and tire wear by 20%, improves tire grip Fast fixing mechanism allows for quick and accurate bike mounting/removal and the AutomaticTension Plate maintains the correct pressure between the unit, roller and tire throughout training sessions Fits bikes with tires from 24" to 29" Pack includes protective floor mat and riser block ($99 value free)