Kettler rondo p the kettler rondo p is a great way to improve cardiovascular fitness while toning upper and lower body muscles key features user comfort electro magnetic braking with digital resistance adjustments from 1 to 16 durability 14 kg flywheel provides excellent pedalling comfort interactivity 8 training programmes including 1 based on your pulse exercise features permanent 7 programme display measures pulse using touch sensors ease of use double ba