Giant Cyclotron Fluid indoor cycling turbo trainer is the ultimate in after hours training featuring up to 2000 Watts of progressive smooth & quiet resistance. Features- Up to 2000 watts of quiet smooth & progressive resistance- Patent Turbo Tron TM roller oversize 70mm diameter with precision-cut cooling scoops to reduce temperaturesincrease tyre contact reduce tyre slip & increase tyre life- Sunburst TM cooling fins reduce heat build-up- Heavy 3.3+kg (7+lb) Cool Whip TM flywheel circulates air provides smooth power up & cool down for realistic road feel- New F4 TM fold flat fluid formed frame- Fully assembled easy set up transport & storage.- Fluid formed 100% aluminium hand TIG welded to increase stiffness & power transfer- Easy dial adjustable & no skid levelling feet support.- Large stable footprint- Easy to use quick & smooth on off lever makes set up a snap- Single dial tension adjustment easily accommodates most wheels sizes 24" to 29"- Tough steel quick release replacemen