Replace Monitor Speedometer for Stationary Bike, Exercise Bike Computer, Heart Rate, Bike Monit

and high quality.[Most Exercise Bikes use this monitor] - for Stationary Bikes with " phone jack" look connection tips. E.g. by for bikes Sunny,, L-Now,,, Pleny,,, Faafuu - 90% of as well as domestic Both speedometer & pulse trakcing connection are through 3.5 mm female jacks on the back the monitor - adapters (NOT INCLUDED) might be needed if the device also happen to have FEMALE jacks (rare cases)[Optional Heart Rate Monitoring Feature]An optional feature that works with bikes with pulse . The measurement allowed error is +/- 1-3cm.