The TOUR Tech briefing for the 17th stage of the Tour de France 2024

Robert Kühnen

 · 16.07.2024

The TOUR Tech briefing for the 17th stage of the Tour de France 2024Photo: Getty Images/Dario Belingheri
Breakaway riders have good chances on the 17th stage
From 29 June to 21 July, the best cyclists in the world will compete in the Tour de France. Victory or defeat on the roads of France will be decided not only by the legs, but also by the equipment. The TOUR Tech-Briefing for the 17th stage.

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Tour de France 2024 - 17th stage: Saint-Paul-Trois-Chateaux - Superdevoluy | 177.8 kilometres

The elevation profile of the 17th stagePhoto: A.S.O.The elevation profile of the 17th stage

The route profile of the 17th stage is unusual: as if on an inclined plane, the route climbs steadily uphill to the mountainous finale over two mountains and the final ascent to a ski resort, the total altitude metres add up to 2850 metres. Compared to the Pyrenees, the mountains are a size smaller, but the Col du Noyer still has 7.5 kilometres with an average gradient of 8.4 per cent - a first-category climb. This is followed by a descent on a narrow road before a relatively gentle climb to the finish in the ski area (3.8 kilometres at 5.9 per cent).

Given the gaps in the classification, this will probably be a stage where breakaways will have a chance to fight for the stage win. In the long run-up to the mountainous finale, however, it will take the strength of a group to share the workload.

Between Col du Noyer and the finish there is one more descent to masterPhoto: A.S.O.Between Col du Noyer and the finish there is one more descent to master

In the finale, the Col du Noyer, which is the steepest in the last two kilometres, is ideal for an attack. In the subsequent descent, a good downhill rider can add seconds. There are a few tight bends to master, but there are also stretches in between.

With which machine would a breakaway rider be best equipped to prevail in this finale? We model an attack two kilometres below the Col du Noyer to answer this question.

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Number of the day: 23 seconds

Our simulation brings together the usual suspects at the top of the rankings: aero bikes and fast all-rounders are up to 23 seconds faster than completely non-aerodynamic bikes in the outlined final. Tadej Pogacar's bike does not perform well in this comparison either.

The (almost) entire field at a glance*

tour/stage17-24-bergfinale_cf86b08b681156025cc73d1b3b068d0aPhoto: Robert Kühnen

*) The calculations are based on the bikes tested by TOUR in the laboratory and wind tunnel. The bikes at the Tour de France may differ in some details. Of course, we have also not yet been able to analyse last-minute prototypes. Background to the simulation.

Table: The ranking shows the simulated riding times after an attack two kilometres below the Col du Noyer. Due to the intermediate descent, aerodynamic bikes are at the top of the ranking.

Our expert

                               Photo: Robert Kühnen

Robert Kühnen studied mechanical engineering, writes about technical and training topics for TOUR and develops test methods. Robert has been refining the simulation calculations for years and they are also used by professional teams.



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