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BUYER'S GUIDE

10 best heart rate monitors for cycling — get useful fitness data

Find out how hard you're working with a heart rate monitor, the cheap way to measure your fitness

With all the attention given to power meters in recent years, you’d be forgiven for thinking that heart rate monitors have vanished. Not so, and they’re still a useful training aid.

A heart rate monitor, as the name suggests, measures your heart rate in beats per minute and displays it on a screen. As you’ve no doubt noticed, the harder you ride, the faster your heart beats, so heart rate is a useful proxy for your effort level.

You can therefore use a heart rate monitor as a training aid, setting target heart rate ranges for training sessions. Some monitors record your heart rate every second for later examination and may also estimate the Calories you’ve burned, useful if one of your cycling aims is to lose weight.

Heart rate’s not a perfect measure of riding effort though. It can be affected by the time of day, caffeinated beverages, the weather and how tired you are. But with that in mind, it’s still useful, and a heart rate monitor costs a lot less than even the cheapest of the new wave of power meters. The more sophisticated units will work with a power meter too, so you can upgrade to training with power later if you get more serious.

  • Traditional heart rate monitors use a sensor strap round your chest to pick up electrical signals from your heart as it beats; this is still the most accurate way to measure heart rate outside of a laboratory

  • Some heart rate monitor watches use an optical sensor at your wrist, which is comfier than a chest strap but not quite as accurate

  • Many cycle computers will measure heart rate if equipped with a compatible sensor

  • As you go up the price range you get additional features like satellite positioning to measure distance and speed, programmable workouts and lots more

10 of the best heart rate monitors for 2020

Types of heart rate monitors

Most sport-orientated heart rate monitors work the same way: a sensor band round your chest detects the heart's electrical activity and transmits pulses to a device with a screen that does the spade work of calculating and recording your heart rate. It's the same principle as a hospital electrocardiography (ECG) machine. In the last few years wrist-mounted fitness trackers have appeared that shine a bright LED into your skin and detect your pulse by the change in the reflected light as blood fills and drains from the capillaries, a process called photoplethysmography. This isn't as accurate as ECG.

The device providing the read-out could be a watch or a handlebar-mounted computer or GPS unit. It might also be your mobile phone; many heart rate monitor bands now use low-power Bluetooth Smart that will communicate directly with a phone, or you can add an ANT+ dongle to your phone to work with a compatible band.

At the cheaper end of the price range are standalone heart rate monitors, almost always built into a watch. They’re easy to use and if you do more than one sport they’re the most versatile way of measuring heart rate. The more you spend the more features you get and the more the device or its associated applications will do for you, including working out your heart rate zones and warning you if you’re going too hard or too easy on a given session.

Cycling-specific heart rate monitors roll the function into a computer or, if you’re spending a bit more, a GPS unit. More advanced (that is, expensive) units log your ride and heart rate data so you can see how much time you spent in each of your heart rate zones and compare segments from one ride to another to measure your progress. For example, if you’re faster up that hill for the same heart rate, then your fitness has improved.

All of this means you have a huge range of choice in devices that display and record your heart rate, to the point where the importance of this function has been over-shadowed by all the excitement about GPS-enabled exploring and bagging Strava segments. Nevertheless, if you’re aiming to get fitter, it's the core function you want whether you’re spending £30 or £300.

Kalenji Cardio ANT+/Bluetooth Smart — £29.99

GEONAUTE ANT+:BLUETOOTH SMART HRM.jpg

If you have an iPhone or Android 4.3 device, this Bluetooth Smart heart rate strap will pair with it, so you can add heart rate data to your Strava logs. It has ANT+ capability too, so you can add heart rate measurement if you have a compatible bike computer or GPS unit.

Find a Geonaute dealer

Ciclosport CM 4.21 HR — ~£41

Ciclosport 421.jpg

One of the cheapest computers with heart rate function and the necessary strap bundled, the CM4.21 can download ride data to your PC so you can keep a record of your rides.

Find a Ciclosport dealer

Wahoo TICKR — £39.99

Wahoo Tickr.jpg

It’s not the cheapest option, but Wahoo’s Bluetooth Smart heart rate strap comes with Wahoo’s own Fitness app that provides training zones for fat-burning and intense training and creates a eight-week training schedule for you. It works with iPhone 4S and up and devices running Android 4.3 or later.

Find a Wahoo dealer

Kiprun GPS 500 — £69.99

Decathlon kiprun gps 500 watch black

This inexpensive GPS watch from Decathlon picks up your heart rate using an optical sensor on the back of the watch body, which is more comfortable than strapping a sensor round your chest if not quite as accurate. You can use a Bluetooth chest strap if you want and it's waterproof enough for surface swimming if you fancy a mid-ride dip.

Garmin Vivomove HR Smart — £109.99

Garmin Vivoactive HR Smart

If you want a wrist heart rate monitor with a more sophisticated set of features, this hybrid watch from Garmin includes GPS, incorporates some cycling-orientated features; it'll work with ANT+ speed and cadence sensors.

Garmin Edge 130 Bundle with HRM — ~£142.00

Garmin Edge 130 Bundle with HRM

The Edge 130 is the smallest computer in Garmin's current range, and along with its diminutive size, Garmin has nailed the user interface, which is a dream to use.

If you don't need route mapping and navigation and just want to track all the important metrics like speed, distance, elevation — and heart rate, of course — the Edge 130 does everything you need.

If you want a real bargain, you can get the Garmin Edge 130 on its own for £99 and pair it with a heart rate strap like the Kalenji one above.

Read our review of the Garmin Edge 130

Find a Garmin dealer

Bryton Rider 15 — £49.99

Bryton Rider 15

Despite its very modest price, this new base model from Bryton picks up signals from just about every constellation of navigation satellites up there: GPS, Galileo, GLONASS, BDS and QZSS. It has a built-in barometric altimeter and works with Bluetooth LE sensors for speed, cadence and heart rate. Just add a £30 Kalenji heart rate belt and you've got a full suite of modern functions for a very modest price.

Polar V650 — £229

Polar V650 GPS cycling computer - screen 2

Want heart rate, maps and GPS? Polar's V650 provides all that and more, and while it has limitations — it lacks ANT+ connectivity — it's excellent value for its feature set. This version comes with an arm strap to pick up your heart rate, which is handy if you don't like chest straps.

Read our review of the Polar V650

Garmin Edge 830 GPS with Cadence and HRM — ~£390

Garmin Edge 830

This version of Garmin’s benchmark GPS comes with sensors for speed/cadence and heart rate, and Garmin's Cycle Map of the UK.

The Edge 830 is highly customisable, and generally very reliable with enough battery life for all but the longest of epics and the ability to run from an external battery if you’re riding for more than the nominal battery life of 20 hours.

Find a Garmin dealer

Garmin Edge 1030 bundle — £467.35

Garmin Edge 1030 - maps.jpg

Garmin's latest unit features a bigger screen, longer battery life and a host of new connectivity features compared to the Edge 1000.

The Edge 1030 gets a 3.5in high-resolution capacitive touch screen that Garmin reckons works in the wet or with gloves, and ambient light sensors automatically adjust the screen brightness to suit the riding conditions. Battery life has been extended to a claimed 20 hours and there’s a new Garmin Charge integrated battery pack accessory to double the run time to 40 hours for longer rides.

Garmin has beefed up the navigation and course planning features. Trendline utilises the many activities uploaded to Garmin Connect to provide routes using the most popular roads and off-road trails, backed up by preloaded Cycle Maps for turn-by-turn directions on all terrain with alerts for sharp corners and elevation information. You can also choose from three round-trip suggestions by choosing a distance and starting direction if you want the Edge 1030 to recommended new routes.

Read our review of the Garmin Edge 1030
Find a Garmin dealer

Explore the complete archive of reviews of heart rate monitors on road.cc

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Acknowledged by the Telegraph as a leading cycling journalist, John Stevenson has been writing about bikes and cycling for over 30 years since discovering that people were mug enough to pay him for it rather than expecting him to do an honest day's work.

He was heavily involved in the mountain bike boom of the late 1980s as a racer, team manager and race promoter, and that led to writing for Mountain Biking UK magazine shortly after its inception. He got the gig by phoning up the editor and telling him the magazine was rubbish and he could do better. Rather than telling him to get lost, MBUK editor Tym Manley called John’s bluff and the rest is history.

Since then he has worked on MTB Pro magazine and was editor of Maximum Mountain Bike and Australian Mountain Bike magazines, before switching to the web in 2000 to work for CyclingNews.com. Along with road.cc editor Tony Farelly, John was on the launch team for BikeRadar.com and subsequently became editor in chief of Future Publishing’s group of cycling magazines and websites, including Cycling Plus, MBUK, What Mountain Bike and Procycling.

John has also written for Cyclist magazine, edited the BikeMagic website and was founding editor of TotalWomensCycling.com before handing over to someone far more representative of the site's main audience.

He joined road.cc in 2013 and these days he lives in Cambridge where the lack of hills is more than made up for by the headwinds.

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