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Crank Calc - Bicycle Crank Length Calculator

The Crank Length Calculator Page has moved to http://www.machinehead-software.co.uk/bike/cranks/crank_calc.html
This version of the page may be obsolete, please click the above link to view the latest information and downloads.

CrankCalc is my contribution to the great 'what crank length is optimal?' debate. Its a scale drawn, vector based representation of a cyclists legs when riding in the sitting position. It does a few other things also, but don't expect to simply plug in your dimensions and output an 'optimum' value. I have got one of those here that that probably gets reasonably close, but isn't nearly as much fun ;-)

You can download a complete install set for the beta release of CrankCalc v0.4.18 from here.

You can also be download CrankCalc as part of the Machinehead Bicycle Software Package

Minimum System Requirements

640 by 480 pixels 16 colour
An IBM compatible Pentium 90MHZ or better, running Windows Windows 9x, ME, NT, XP or later
NOTE:- This program is not suitable any of the 16 bit Microsoft operating systems such as Windows 3.11

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Designed by Nigel Jones