A robust choice featuring 6kg 132lbs inertia enhanced flywheel granting smooth and quiet work the proform 310 csx recumbent exercise bike comes with a selection of various difficulty workout programmes 16 presets and an 8 week weight loss app to alter the comfort of training sessions the 310 csx includes 16 digital levels of smr silent magnetic resistance as well as adjustable pedals and cushioned seat the console is a silver tinted lcd display which provides backup on calories burnt