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Sptwoman
May 27th, 2006, 07:33 AM
I know it's a basic question but I want to be sure!! Are there any important points to remember when fiiting the balance bar spherical bearing into the "pedal" pivot sleave? I've offered mine up and it's a little tight to start off with then get inceasingly tighter. Eventually it impacts on the free movement of the bearing when lightly drifting into position. Do I need to "clean up" the inside surface of the sleave?

strat6v
May 27th, 2006, 07:44 AM
The sleeve could do with honing or something similar to allow the bearing outer to move side to side. Doesn't want to be sloppy though. Welding of the balance bar sleeve into the link will cause some distortion.

If you look at the system as a whole, idealy the mastercylinders and their pushrods would stay straight. then, when you shift the balance bar side to side the bearing would become offset from centre giving you more effort on one or the other cylinder. With the bearing being inside a fixed sleeve/pedal you need free movement of the bearing in the sleeve to keep the pushrods straight(ish)

To add to this, there are mastercylinders available with a spherical bearing at one end and a linear moving pushrod. With these the balance bar bearing stays in a fixed position in the pedal/link and when rotated, moves the clevises sideways, pivoting the cylinders on their bearings. Quite trick but trick money too!!

John.

Sptwoman
May 27th, 2006, 08:26 AM
John,

Thanks for the info. it makes sense to me. I'll arrange to tidy the sleave up to allow "freeer" movement,

Allen