Are one-by drivetrains making a comeback to World Tour bike racing?

Despite dropped chain woes of the Giro d'Italia, Jumbo-Visma are bringing one-by drivetrains back to the Tour de France

Jumbo-Visma in stage two of the Tour de France
(Image credit: Getty Images)

One-by (1x) drivetrains is a topic that holds a fair bit of debate within the cycling world. In the mountain biking sphere, single-ring setups are the go-to option, but over on the road, widespread adoption of the tech has previously been perfunctory at best.

But with the recent resurgence of 1x in the pro peloton (mostly from Jumbo-Visma) - and also in time trials - we have seen a variety of different teams sail to success with a single ring in recent years.

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