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These may work as replacement spacers, but I would open the hole and install a rubber grommet or such to protect the shaft.http://cgi.ebay.com/Proflex-855-Girvin-Elastomer-spacers-in-aluminium-new_W0QQitemZ170354872186QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item27a9f10f7a&_trksid=p3286.m63.l1177&_trkparms=|293%3A1|294%3A50