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Buyer's guide to heart rate monitors

It's an incredibly useful training tool - make sure you get the right one for the job


Posted: 12 May 2004
by Andy Waterman

After the obvious things like a bike, cycling shorts and cycling shoes, a heart rate monitor (HRM) is the thing that will have the next biggest effect on the way you ride your bike.

HRMs have been available since the 1980s but it was in the 1990s that they really came to prominence, with professionals like Chris Boardman spending whole interviews reeling off facts and figures from their HRMs. Of course, if pros have got them, it doesn’t take long for enthusiasts to get their hands on them too and before long it seemed like owning a HRM was the holy grail of physical fitness.

Cardiosport Go 10
HRMs are useful tools for all cyclists at any level for a number of reasons: they help prevent you from going too fast on days when you should be recovering or when you are doing a really long ride; they allow you to monitor your health (an abnormally high/low HR at a given speed may indicate that you’re getting ill – take some rest); they allow you to carefully monitor the intensity of your training – much more accurately than speed.

If you have been tempted to buy a HRM, expect to pay around £40 for a really basic model from one of the big companies, such as the Cardiosport Go 10 (£40) or the Polar F1 (£40). Cheaper HRMs can be found but usually in places like Aldi or Tchibo (we recently picked up a very functional HRM in Tchibo for £20).

Functions you should be looking for are: average heart rate, maximum heart rate, a stopwatch, target zones with or without an alarm, calorie consumption, and possibly computer download ability. You should also be looking at the comfort of the chest strap – this has to be worn next to your skin for hours at a time so make sure it’s comfortable.

Having the ability to download your heart rate data from a ride onto your computer is a nice extra that many companies now offer but do you really need it? The truly dedicated racing cyclist may make good use of it, but be aware that it can add a fairly hefty premium to the price tag.

Polar S520
More and more companies are making cycling specific HRMs that are combined with normal cycling computers such as the popular VDO Cytech HC12.6 (£65). These are great so long as the screen doesn’t become too cluttered and so long as you only want a HRM for cycling.

Polar’s dual use HRMs are amongst the most expensive but have the advantage of still being a normal watch which you can wear to the gym. The Polar S520’s previous incarnations have had good reviews on RCUK’s member review pages and it’s easy to see why: for its £180 price tag you get a fully functioning heart rate monitor with a speed sensor and bike mount and you can download all the information to your PC using the PC Coach Light software that’s included.

If you've already got an HRM why not share your thoughts on its performance in the members’ review pages?


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I read the article thank you very much. But it leads me to one question... I'm in the lower middle of the market for an HRM. I certainly don't need computer download facilities (I'd love to think I'd use it, but in reality I'd download two or three times and no more). But I recently heard of a good mid range heart monitor which did fitness tests for you, and actually hid some of the zone calculations from you, simplifying the information down for you. So essentially you press a button for test on an open road, and it tells you faster, slower, flat out, stop etc. and establishes all your rates for you. It then monitors between rides, and can recommend the sorts of things the article mentions (not enough recovery time etc). So it's not a £40 product, but I think it was under £100. So in sum: I'd like one where I can see the raw data, the averages etc. But I'd also like it to simplify all the zoning and just have some muppet-simple training plans / comparisons to see if you are getting fitter. Does anyone have any specific advice on this mid market? Thanks.
Posted: 12/05/2004 15:57


M@
Some of the Polars have got fitness tests on them but Im not sure which ones.

Ive just got the Polar s720i, which is a really good piece of kit, the only thing is it can be a bit tempremental at picking up either speed or heart rate when you are moving, I think now Ive done a few rides Ive got the hang of getting it working.

As for the computer upload function, it is really useful- you can see all the data from the ride, speed, altitude, HR, temp..the list goes on. It puts these into a nice little graph and also has tables and a calendar of your training, in time I think it will be worth it.

Just waiting for the cadence sensor now, should turn up tomorrow.
Posted: 12/05/2004 16:04

Thanks M@.

But how much was that?

I'm not really in the market for more than £60 maybe say £80?

Jeremy
Posted: 12/05/2004 16:30

That VDO cycle somputer/HRM is only £65 and has really good reviews in all the mags (look on Wiggle) and on BM. The only downside is that it's a 'proper' cycle computer rather than a HRM watch type thing.
Posted: 12/05/2004 16:58


M@
Yeah, sorry I didnt read 'for amateurs'...I was talking about HRM in general. Errm it was £265 including IR link and cadence sensor. Good training tool, I'm an amateur..does me fine. Then again it also took a large chunk out my student loan!
Posted: 12/05/2004 17:20

Ah ha. Yes that's clearly out of my price range.

Thanks Andy, that looks good, but the only problem is precisely the one you mention. I also do a reasonable amount of running so it would be good to have a watch type one.

Any advice given that?
Posted: 13/05/2004 14:00


M@
I ordered my HRM from HeartRateMonitor.co.uk

They have a huge range of HRMs and have free next day special delivery.
Posted: 13/05/2004 14:19

Wow. Now that's a specialist site!!
Posted: 13/05/2004 18:06


M@
Yep, think it contains everything you need and the prices are quite reasonable as well.
Posted: 13/05/2004 19:15

I've started looking into upgrading my relatively basic hrm and I'm coming to the conclusion (I think much the same at JT did) that's there not much value in the middle ground, it's a case of go large or go home.

To that point, consider a new contender for the Daddy in the HRM playground:

Suunto t6

This appears to do the business on the whole beat-to-beat measurement thing - ending up with an amazing array of physiological measures, including lots of things to do with your breathing (respiratory rate, oxygen uptake, accumulating oyxgen debt - EPOC).

The only Polar that does this is the 810 and then without the same level of sophistication in the analysis.

My research tells me the academic stuff comes from the some of the Finnish sports institute with Rusko and others who are the leading researchers (as far as I can tell) in using physiological measures to detect training state.

All this, for only 400 notes (!) 200 in the US, but that's another story.

So any experience of this, validity and usefulness of the measures, etc ?

Posted: 31/01/2005 10:41

Jeremy,

I've got a Polar S150, it has 3 training modes, trip computer, average speed, max speed, and it beeps at me when i'm not in my training zone.

I coupled this with the www.polarpersonaltrainer.com website to keep a record of my activities and it's working really well.

One thing i did note was the chest sensor needs a wet contact to work so a couple of blobs of spittle and it's away (sounds rank but at 5:30am i need all the warmth i can get).

Can't remember how much, i think it's nearer £100 than £200.

Very impressed overall with it.

Cheerio

Rich
Posted: 31/01/2005 11:23

Thanks Richard,

I wound up getting the S720i in the end. Which has been great. I haven't managed to get it to beep in bike mode though - only running mode. I figured maybe they thought you wouldn't be able to hear it with the wind noise on the bike?

J
Posted: 31/01/2005 11:33

I don't know about the 720, mine came with all the bike kit. It must beep really loudly or i'm not going fast enough, one of the 2, but it's good for flushing out the rabbits down these lanes!

Cheerio

Richard
Posted: 31/01/2005 12:54

Jeremy,
I found the same with my 720, beep works fine on 'bike off' but not when bike is turned on.
If you look somewhere deep in the instructions it does say that its not meant to work when the bike is turned on.
Not sure to the logic of this.

Dave
Posted: 31/01/2005 13:03

i can get my 710 to beep when the computer starts/stops in auto mode but not for hr zones...I think the watch can only cope with making noises for one scenario at a time.
Posted: 31/01/2005 14:45

Hmmm mine beeps with auto start stop, also beeps if im outside the limits, beeps really fast when i'm above the limit.

It's useful as i go out early in the morning and it's too dark to see the face.
Posted: 31/01/2005 15:38

But are you operating it in bike mode, or in running mode? Is it tracking altitude and speed etc.? Possible the S150 is a different type? Does it track bike speed?
Posted: 31/01/2005 17:06

It does bike speed, it's not a high up the range as the 710 i think, it is more of the entry level bike model. So it does bike speed, average speed, maximum speed, and all the lap times, plus the heart monitor limits (3 different sets).

I like the beeps, keeps me informed on the bike. It hasn't got a running mode.
Posted: 01/02/2005 07:54

Interesting. Sounds like a feature which is available on a lower monitor in the range which isn't there on the higher monitor.

I wonder if someone from Polar could clarify for us?
Posted: 01/02/2005 09:57

No one got a Sunnto t6 then ?

Hey, I could be the first !!

Another question - anyone aware of workable HR's that don't use a chest strap (just having it on your wrist is all that's required) ?

I know there are some, but I have no idea if that's any kind of basis for a quality device.
Posted: 02/02/2005 11:20

On all this talk of HRM's as anyone thought of the about the Polar S625X, this has some amazing functions not only for running but cycling and it has "The Polar Own Optimizer" a self traing function that tells you if you have recovered enough to train again...
Just thought I would put this in the mix as I wonder if anyone has got one of these..
Posted: 05/02/2005 06:20

Yes the 625 does look interesting - looks like the OwnOptimizer thingy is based on heart rate variability during an orthostatic heart rate test. That's the nubbins of the Rusko approach and it may be the key piece of information that the Suunto is delivering.

Polar seem to be splashing their functionality about a bit with every model having a different mix of good and bad.

For example, there appear to be a few models using RR analysis, but all in slightly different ways (e.g. I expect that how the fitness test feature works also). It looks like they're adopting the approach but trying out different ways of making it user friendly. Certainly the Suunto is

a) hugely complicated
b) huge
c) eats batteries like they're going out of fashion.

They call it a wrist top computer, and tbh, they're not kidding.

If you dismiss Polar power measurement as not worthwhile, then the 810 and the 625 both look worthy of consideration.
Posted: 05/02/2005 10:20

Actually the 625 will work with the power unit so it would seem to be clearly the best of the Polars.
Posted: 05/02/2005 14:52

Got mine from Halfords at £20. Basic? Probably, but it does the following:
1-5 zones
Current HR
Time in zone
Time out of zone
Time over
Exercise time
Average HR
Max HR
Stopwatch
Calories used (for what its worth)

Plus half a dozen watch functions.

Seems OK so far but only had it a month so can't comment about long term reliability.

I thought that at £20 it must be OK if only for me to decide whether using a HRM would be worthwhile before spending more.
Posted: 12/03/2005 07:58

I just bought the Decathlon HRM for a knockdown price of £23.99. Normally its £34.99. Its basic, but does all that I need for a beginner such as myself. Great piece of kit.
Posted: 11/05/2005 13:24

i posted a review of the halfords hrm on here, i think its really good value and hasnt let me down at all it has all the functions i need and a few i dont so i cant see the point in paying extra for a big name brand like polar or cardiosport, incidently the halfords hrm replaced a cardiosport one which cost more and was as basic as basic can get!
Posted: 15/05/2005 19:38

i want one with pc downloadability and cycling computer functions basically which is the best/ cheapest i want to nkow if i am overtraining/in the right zone/ getting fitter...
Posted: 25/11/2005 14:13

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