Polar S720i Heart Rate Monitors

3.08/5 (24 Reviews)


Product Description

The S720i is our most popular cycling computer ever…. and it just got even better. The S720i combines the highest level of personal performance data, training conditions like altitude and temperature, and cycling functions. Infrared technology allows you to download directly to your PC without a separate interface.* Get back from your workout and in seconds, the most in-depth performance analysis is right there on your PC. Turn your computer into a cycling coach.


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Reviews 1 - 5 (24 Reviews Total) | Next 5

User Reviews

Overall Rating:4
Value Rating:4
Submitted by cheaptequila a Recreational Rider

Date Reviewed: February 17, 2009

Strengths:    Lots of data, very useful in conjunction with sofware.

Weaknesses:    User interface - especially creating exercise sets involving intervals on the unit (easy with the software).

Bottom Line:   
I've been using the s720i for 3-4 years now. Battery ran out and the plastic "crystal" popped off. Sent it into Polar and they replaced it, including the worn out elastic & battery in the chest strap - for about $80, which was very reasonable. It seemed like they gave me back a new unit. Just started using Polar Pro5 training software, and created an Exercise Set & downloaded it to the watch. Also uploaded data from watch using IR to PC. It's a little finicky, but I can always get it to transmit - just hold it very close. Might have to vary the angle of the watch. Great features, definitely much better analysis with the software.

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Favorite Ride:   Three Bears in Lafayette, CA

Price Paid:    $160.00

Purchased At:   eBay

Similar Products Used:   none

Bike Setup:   Bianchi Imola triple shimano 105 group.


Overall Rating:1
Value Rating:1
Submitted by Chris a Recreational Rider

Date Reviewed: July 21, 2008

Strengths:    Everything you want in a computer

Weaknesses:    Not water proof or sweat resistant

Bottom Line:   
I have had to send this computer back to Polar to be fixed a couple time already due to water getting in but was covered under warranty. A few weeks ago it just died during a ride and I sent it back and they want $200 to fix. No water when it died but may have been from sweat. I can not recommend this computer as it seems very sensitive to moisture. I can see paying up to $100 but at $200 I might as well buy a new computer.

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Price Paid:    $350.00

Purchased At:   online



Overall Rating:5
Value Rating:5
Submitted by larryal9 a Recreational Rider

Date Reviewed: August 7, 2007

Strengths:    Autostart feature. Lots of features and options. Great training tool.

Weaknesses:    Cheap appearance (also, see above).

Bottom Line:   
This is a very good HRM. My only complaint is that the receiver sometimes picks up electronic noise from cars (particularly Honda's & Acura's). It only happens if the electrodes aren't wet enough, like when first starting on a ride. That condition is very temporary because it's usually not long before a little sweat gets flowing.

Overall, very happy with product. Much happier than with the 725x.

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Similar Products Used:   Polar S725x

Bike Setup:   Trek 5200


Overall Rating:5
Value Rating:5
Submitted by Gabe a Road Racer

Date Reviewed: July 25, 2007

Strengths:    Customer service, at least from my experience. Device is feature rich including altitude, IR link for data download, and power usage.

Weaknesses:    Interface was a bit awkward but given the functionality of the device it is not enough to reduce rating below 5.

Bottom Line:   
I've had this HRM for approx 3 years. Not the best user interface but it worked well. Occasionally would get a funky speed reading (60+ mph) but I realized this was due to local radio interference since it always happened in the same location. The battery finally gave out. I tried first with a local jeweler but he didn't have the correct battery. So I packed up the device and sent it to Polar following their instructions and authorizing payment on my credit card. A few days ago a received a brand new monitor with an invoice saying HRM replaced at no charge due to electrical malfunction. The device was clearly beyond warranty. By doing this Polar has bought my goodwill and loyalty and I will definitely buy another Polar at some point. The new ones look pretty cool and I'm guessing the functionality and interface has improved.

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Bike Setup:   Trek 2200


Overall Rating:1
Value Rating:1
Submitted by peter grasse a Recreational Rider

Date Reviewed: March 23, 2007

Strengths:    Great graphs once you get data into computer.

Weaknesses:    Terrible user interface and data editting capability, besides rotten lousy durability and service.

Bottom Line:   
Polar S720i is a great product if it is working. I have had two break in the two year warranty period. Service is a nightmare. The first time the service center lost it for three weeks, then finally found it and replaced it two weeks later. The second time, I called right away after I received proof of delivery. They had not even opened the box yet and did not plan to for 2 to three days. I would never buy another.

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Price Paid:    $299.00

Purchased At:   Dick's Sporting Good

Similar Products Used:   Timex




Reviews 1 - 5 (24 Reviews Total) | Next 5

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Annoying issue with Polar S720i and running on treadmill

i usually use this HRM on the bike, but when i cant ride i like to run on the treadmill. the following issue has only just cropped up fairly recently i'll first get a steady reading on the s720, then start out at a walking pace. then when i start running, the heart rate reading goes completely h ... Read More »

Polar s720i sensor location issue

Does it matter where on the fork this sensor goes? it appears i'm always showing one mph slower that some friends (who may have bad readings too?). i would figure that the closer it is to the center of the wheel would yield a quicker magnet rotation and giving a quicker reading. further up the fo ... Read More »

Polar S720i infrared

I am having a connection problem. My windows 2000xp computer makes a solid infrared connection to the S720i, I then click on the HR Monitor Connection icon in the Polar software, the Infrared Connection window in the sotware opens, waits a few seconds, then reports "No answer form HR monitor". I d ... Read More »

Polar S720i - Good? - or other HRM?

I am considering getting the Polar S720i as it is on sale for $261. I am looking for a good computer that is downloadable to PC and/or Mac with good software (graphs, logs, comparisons etc). I'd also like Altitude and % grade but realize that these are usually just interesting stats so I could do ... Read More »

Can't get my Polar s720i to download in WinXP

Anyone else using this device on Windows XP? I have used mine successfully since 2003 and love it. Unfortunately, ever since upgrading to a new XP computer, I have not been able to get my Infrared interface to work. It is certainly a driver issue. I have downloaded the latest software version, drive ... Read More »

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