Cycling has, since the Team Sky era, been associated with so-called marginal gains, but the rise of ‘biohacking’ takes the envelope-pushing to new extremes. From glucose sensors to DNA tests, today’s riders are experimenting with science, tech and sometimes sheer gimmickry in pursuit of an edge. Some methods are grounded in physiology, others in hype – and separating the two isn’t always easy. We break down the most talked-about hacks, and ask if they’re best avoided or actually worth a try.
