Heart rate monitors

Niche, and pricey, but worth it if you are already a Garmin watch user

Accurate, comfortable and rechargeable, this is great for multi-sport athletes – but overkill for pure cyclists

Good hardware and an excellent app, but go for a cheaper subscription tier, if you go for it at all

More comfortable than a standard chest strap, with additional features – reflected in the price

Very easy to get set up, great connectivity and battery life

Excellent heart rate monitor, and great to finally see one with a rechargeable battery

High-end, consistent and accurate heart rate monitor, with strong connectivity

Straightforward arm-mounted heart rate monitor that does the basics well

Specialist device that comes at a cost, but particularly useful if you are concerned about your heart health

Comfortable and easy to use, providing reliable heart rate data

Excellent rechargeable LED-based sensor with extra features for swimming and running

More than just a heart rate monitor, and that is reflected in the price

Expensive, but the Bluetooth Bridge and other features make it a great choice

LED-based heart rate sensor that's easy to live with

Precise and comfortable HR monitor with optical and EGR sensors, but pricier than two separate devices

Hugely versatile training computer with masses of functions, but navigation is basic and the screen, though colour, is small

Interesting data, but bugs and heart rate accuracy issues take the shine off

Highly customisable GPS watch with a clear display, plus a couple of neat triathlon-specific features

Budget GPS watch that measures basic data well, but can't deliver the full smartwatch experience

Excellent heart rate monitor strap with good connectivity and useful status LEDs

Good value dual-protocol heart rate strap that will make your missing one reappear

Good heart rate monitor option for indoor training, or if you don't get on with a chest strap

A compact and functional GPS with plenty of advanced features, but not a show-stopper at this price point

An accurate and easy-to-use heart rate monitor with some really smart extra features

A strong performing heart rate monitor with useful connectivity options