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  1. #1
    Junior Member
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    Sep 2011
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    Tandem concentric bb spindle

    Hello to all
    I have an old Sun tandem with a concentric captains bb
    the spindle runs on 5/16" bearings,at some time this as been replaced with a Brampton ? spindle which is just a little to short causing the crank to rub on the bb locking ring.

    My question is are the original spindles still available to run on 5/16" bearings or a modern equivalent.
    Kind regards Paul

  2. #2
    Senior Member catmandew52's Avatar
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    S. E. Michigan
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    Sounds like the spindle is too short. Contact Sun, http://www.sunbicycles.com/contact_us.php
    Take care that no one hates you justly. ~Publilius Syrus

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