Sarah HaselwoodFreelance writer Sarah Haselwood is a journalist and copywriter who has written extensively for UK consumer magazines and newspapers including National Geographic, Men’s Fitness, the Metro, the Independent, and the Mirror. Latest articles by Sarah Haselwood 417 watts for 24 hours: The brutal reality of powering a home by bike Fit cyclists can put out serious watts – so why do we let it go to waste? Cycling Weekly crunches the numbers and attempts to boil a kettle with pedal power
