Welcome to James Hewitt Performance

Complete Guide To Calculating Your Cycling Power Zones

Before using the CyclingPowerLab supplied power zone calculator, you’ll first need to determine your FTP (Functional Threshold Power). There are multiple methods to determine FTP, both direct and derived. For the direct method, ideally, the rider would complete a maximal […]

How To Use Your Power-Meter Like A Pro-Cyclist

In 2013, a lot of ‘Chris Froome Looking At Stems’ photos ‘did the rounds’. So many, in fact, that there is now a website dedicated to the subject with many wondering whether he was actually looking at his power-meter display, […]

How To Get The Most Out Of Your Power Meter

Lining up to one of the first races of the season I was fresh, enthusiastic and ready to put my winter training to the test. Just before we entered a technical section through a small town, about 30km into the […]

DIY: Cycling Performance Testing

Power measurement systems and testing have become more easily accessible to enthusiast cyclists and triathletes. Through the lens of a recent lab-based FTP test and my first time-trial event in 9 years, I’m going to explore some of the pros […]

Behind The Scenes Of A 20 Minute FTP Test

There are lies, damned lies, and statistics, but there’s no hiding from the fact that numbers tell important stories. See the plot line unfolding on the Wattbikes at Performancepro’s Great Titchfield Street facility, during my first FTP test for 8 […]