pwadz Posted August 3, 2018 Report Share Posted August 3, 2018 Any info greatfully appreciated, just part rebuilding my first bike (fantic 303)to begin in the world of trials . The headset bearings are rough . Any suggestions on bearing size ? I read in another post the 240 uses 25x47x15. I dont suppose that would be the same on the 303? Also how tight do you tighten the spanner nut when refitting everything Quote Link to comment Share on other sites More sharing options...
fantic303 Posted August 8, 2018 Report Share Posted August 8, 2018 Bearing dimensions for the 303 headstock : 2x 20 x 43 x 13.25 https://www.123roulement.com/roulement-639177.php Quote Link to comment Share on other sites More sharing options...
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