Why does Cav’s chain keep coming off after sprints?

Cav has made it to 34 stage wins - but should we be worried about the Manx Missile's derailed chain?

cavendish chain off
(Image credit: Photo by Chris Graythen/Getty Images)

Mark Cavendish's stage 13 win at the Tour de France saw him make history - equalling Eddy Merckx's record of 34 victories at the French grand tour. 

Interestingly, it's not just the Manx Missile's hands that have been up in the air after each of his four stage wins. We can't help but notice that Cav's chain has a habit of ejecting itself from the chainring as he crosses the line.

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Simon Smythe

Simon Smythe is a hugely experienced cycling tech writer, who has been writing for Cycling Weekly since 2003. Until recently he was our senior tech writer. In his cycling career Simon has mostly focused on time trialling with a national medal, a few open wins and his club's 30-mile record in his palmares. These days he spends most of his time testing road bikes, or on a tandem doing the school run with his younger son.