Technical & Reference Section > Tech and Restoration

180mm or 175mm Crank Arms? Whats the point?

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martylaa:
Never raced for a team when i was a kid so not sure about this, but whats the point of making cranks 5 mm longer or shorter, would anyone notice, we're talking about 5mm extra or less length here, surely no-one would know the difference would they?

Jon The Bassist:
You definitely do notice! More leverage with longer cranks and they suit bigger riders.  They also have the effect of making a gearing feel easier but you have to move your legs in a bigger circle.  Likewise shorter cranks for littler dudes, less leverage but can be easier to spin as your legs have to go in a smaller circle.

bmxboy70:
So...Jon do you consider yourself a bigger ridder or a smaller one? Just for referance? :LolLolLolLol:

Jon The Bassist:
...erm, probably bigger in my case  :LolLolLolLol:

bmxboy70:
It depends on the original size ::)  :LolLolLolLol:

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