Reddit reviews Powertap PowerCal Bluetooth Smart and Ant+ Dual Band HR Powermeter
We found 3 Reddit comments about Powertap PowerCal Bluetooth Smart and Ant+ Dual Band HR Powermeter. Here are the top ones, ranked by their Reddit score.
PowerTap PowerCal Dual Band
I've ordered from Amazon US so I assume you can order from Amazon UK. May be faster
Powertap Unisex's POWERCAL BLUETOOTH HEARTRATE STRAP, Black, https://www.amazon.co.uk/dp/B01B4PPOAK
A used power meter.
Failing that, a powercal, which is a heart rate monitor with an algorithm that analyzes the rate of HR change to estimate power output - better than a plain hr monitor, not as good as a power meter.
The best has an algorithm that monitors change in heart rate to estimate power, very useful.
The 2nd best.