Tadej Pogačar rode with 165 mm cranks to victory in both the 2024 and 2025 TDF. Consideration of shorter cranks has become de rigueur for reasons like aerodynamics or a higher cadence pedaling style, either by choice or due perhaps to age-related restrictions that have compromised range of motion. It's an idea you can play around with using a pair of crank shorteners. If so, something to consider is, you have to raise your saddle height 1 mm for every millimeter you take off the crank length.That may mean you need a new seat post and perhaps a new stem if you need to raise the handlebars. And, if your cables are already at the max...

Crankarm Length and Bike Fit: What You Need to Know https://share.google/64eHPzZKBJmTXfWuC

Addendum- results of an AI search on the matter for taller riders was as follows:

The tallest Tour de France rider known to use 165mm cranks is Niklas Behrens at 195 cm (6'5"). He was noted in an article from Escape Collective January 2025 as using this shorter crank length, which is unusual for a rider of his height.