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This is track, its all about leg speed. Smaller circles makes higher rpm easier.
And longer cranks make pushing a big gear easier. Why do so many apparently sane people still have so much trouble with the idea that crank length is largely irrelevant to power production as long as you keep gain ratio constant? If you read the Cervelo paper, you'll see that they noted the effect yet again, with riders dropping crank length by 5% self selecting 5% lower gears and 5% higher cadence :-)
This is track, its all about leg speed. Smaller circles makes higher rpm easier.
Am I right in thinking that having shorter cranks will allow for a better hip angle in a relatively aero position @mdcc_tester ?
Also what kind of time gain would a 2% reduction give over 200m @60-62 km/h ?