handlebar
TR3000i and TR4000i
both the TR3000i and TR4000i have a built-in receiver
for the use of a wireless chest strap. The TR4000i includes a chest strap. To purchase a chest strap
Note: The heart rate monitoring system will vary due to the users method of use, physiology, age
and other factors. LifeSpan does not guarantee the accuracy of the heart rate readings for all users.
to use a chest strap or
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