Pro form 325 csx recumbent cycle the pro form 325 csx recumbent cycle features 24 pre set workout apps digital silent magnetic resistance from 1 22 an inertia enhanced flywheel and ipod compatible audio with 2 2 speakers the pro form 325 csx recumbent cycle offers a similar specification to the 225 csx upright cycle however with a step through recumbent frame instead of the upright seated design the 325 csx offers a digital silent magnetic resistance from 1 20 an inertia enhanced flywh