Ever wondered what gearing they use at the Tour de France? cycling TDF2022
Gearing choice in the Tour used to be easy, a standard chainset was the only way to go and cassette choices were limited at best. However, these days, with 12-speed options from Shimano, Sram and Campagnolo all represented in the peloton, there's more choice than ever. We've had a nosey at the pro's bikes to see what they're using this year.
We've also noticed a lot of pro riders using non-standard chainring sizes, particularly sprinters so they have some extra oomph in the last 200 metres of a sprint finish. For example, below is an example of a 54/42 Shimano Dura-Ace chainset that we snapped onback in 2019. At the time the largest size that Shimano offered to the public was a 'standard' 53/39, the latest generation of Dura-Ace is available with a 54/40T.
With many riders using the same size cassette, it means a lot less work for the mechanics and wheel swaps are less troublesome. Of course, we do see some riders bucking the trend. The number of gears on a road bike has increased over the years, with the cassette expanding from 6-speed back in the day to 11 -and 12-speed of today’s modern groupsets. For Trek-Segafredo, Movistar and other Sram-sponsored teams, it appears the 12-speed SRAM gearing provides enough range for mountain and sprint stages alike with many riders using the same gearing for both kinds of stage.
One solution to this is the Classified system which basically moves the front mech into the rear hub, this could also bring aero benefits but at the moment we have only spotted it being used by one professional team - Uno X, they're not at the Tour de France and the system also raises some questions about wheel changes.
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