Don't buy this if you're expecting a realistic workout. the RPM's are not measured correctly, in fact I estimate it is measuring only half of the actual RPM and as a result the bike speed is half of what it should be.
To prove this I mapped a ride that I often do on my real bike and using the proform it took me twice as long as I normally take when riding for real.
When I contacted their customer services about this it was clear they didn't know much about their own product. And didn't care.
So in summary, not at all satisfied...
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