Nordictrack ProForm Health Rider Gold's Gym Upright Bike Left Pedal Crank 231740 175mmCondition Used Used on the following models: GOLD'S GYMGYM 490 GGEX034090 GYM 590R GGEX045090 HEALTH RIDER EXERPLAY 300 HREX539080 EXERPLAY 300 HREX539081 H45XR HREX549090 EXERPLAY 200 HREX529080 EXERPLAY 200 HREX529081 NordicTrack C3 SI 831. 300710 C2SI 831. 300760 SL 728 831. 305072 AUDIORIDER U300 831. 307060 C4 SI NTCCEX039090 AUDIORIDER U300 831. 307061 SL728 EXERCISE NTC40151 AUDIO RIDER U 300 831. 307062 SL 728 CONTOUR PLUS NTC40152 AUDIO RIDER