cdn280 Posted April 25, 2011 Report Share Posted April 25, 2011 Hi. I'm rebuilding an M21 Cota 247. Anyone know what size the balls are in the steering head ? Quote Link to comment Share on other sites More sharing options...
woodbutcher Posted April 26, 2011 Report Share Posted April 26, 2011 3/16 or three sixteenths Quote Link to comment Share on other sites More sharing options...
cdn280 Posted April 26, 2011 Author Report Share Posted April 26, 2011 3/16 or three sixteenths Thanks for that. But that would be 4.76mm. I thought I saved some of the grotty originals but the only ones I have measure 6.3mm. Can anyone else verify a metric size or is the only standard sized part in an otherwise metric bike ? Quote Link to comment Share on other sites More sharing options...
nh014 Posted April 26, 2011 Report Share Posted April 26, 2011 I can confirm 3/16. You might also try 25x45x12 tapered bearings available from www.pyramid-parts.com. Quote Link to comment Share on other sites More sharing options...
cdn280 Posted April 27, 2011 Author Report Share Posted April 27, 2011 I can confirm 3/16. You might also try 25x45x12 tapered bearings available from www.pyramid-parts.com. Now theres an idea. Thanks ! Quote Link to comment Share on other sites More sharing options...
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