First I would look around for some shop with an alignment table. After that try clamping the bb shell to a flat angle iron and measure alone the tubes. Steven Willis 1778 East Second Street Scotch Plains NJ 07076 908-322-3330 http://www.thebikestand.com
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>
> Hello,
>
> Can anyone help with a method to determine if the main frame tubes are
> in one plane, or if they are twisted out of the plane, for instance
> after a side collision.
> Also, what is a good method to straighten the frame. My problem is that
> it is difficult to control the force and not overdo the straightening.
>
> Thanks for your help
>
> Gijs Roovers