Eli Lee

I have been using the 725x for the past 4 years. Recording all my mileage and ride profiles. Post ride analysis allows me to figure out how to ride that route next time.keeping an eye on my HR when we challenge each other on the accelerations and sprints. The main thing is knowing when you are RED lining it and save enough to hang on or the BIG turbo boost to escape.

S725X

For cycling and multisport training

The S725X is a proven and trusted heart rate based training tool for the most demanding multisport training and elite-level competitive cycling. Tough and powerful, it provides the ultimate solution for racing and optimizes every aspect of every one of your training sessions.

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