For a great cardiovascular workout the impulse ru700 upright exercise bike is a sure choice the bike offers 11 programmes and 20 levels of resistance to put you through your paces or help you improve your fitness the centre control with an lcd 7 windows dot matrix screen feeds information on time distance speed and more including heart rate which can be measured from two different hand positions comfort is provided by the adjustable seat and pedal straps and the three handle bar positi