Bicycle Cable Transducers

I have emailed to spaceagecontrols.com:

Hi.

Has anyone previously solved the problem of bicycle brake and shifter cable position and tension transducers?

I'd hate to reinvent that, but that's what I need for the MOEPED (Mobile Experimental Physics Educational Demonstrator), a model of a dual-use electric bicycle for the Army. Four analog inputs of 0-5 V or

I've looked for slide pots, strain gages, etc, but found your company by searching at Google.com for "position transducers".

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If you have any thoughts about not reinventing this particular wheel, please post.

Doug Goncz Replikon Research Seven Corners, VA 22044-0394