Paris-Roubaix podium bike gallery: Stefan Küng had 12-speed rings on his 11-speed Shimano meter

Paris-Roubaix's third-place finisher has a unique solution to Shimano's 12-speed power-meter shortage.

Shimano sponsors 13 of the 18 men’s teams in the WorldTour, and while all 18 teams are racing on the latest 12-speed Dura-Ace group, hardly any of the riders are using the 12-speed power-meter cranks. Instead, most riders have an 11-speed power-meter crank.

At Paris-Roubaix, Stefan Küng (Groupama-FDJ) raced to third aboard this Lapierre Xelius SL with a different solution: the 9100-series crank but with 9200-series chainrings. This gives him chainrings designed specifically for the narrower 12-speed chain instead of the wider 11-speed design.

For the most part, WorldTour riders with the mixed 9100/9200 set-up have been racing without issue, but there certainly have been some dropped chains. Kasper Asgreen coming to a standstill on the Koppenberg while trying to defend his title at the Tour of Flanders was the most notable instance. Was that entirely due to the 11-speed crank with a 12-speed group? That’s hard to say.

Shimano has attributed the shortage to limited availability. At the classics, each team seemed to have just one or two 9200 cranks, and of course each team needs multiple groups for each rider.

While other teams may be putting 12-speed rings on an 11-speed meter, Küng’s bike was the first we have spotted this on.

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