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rim size

  1. 02' WR426 - What size sprockets should I use? ...and 4.25 or 4.5 rear Excel wheel?

    Street Tarders
    Fellas, I'm converting an old WR426 to SM. I will be mostly on the street/twisties and want to do 70/75 without blowing up. Any suggestions on what size front and rear sprockets I should use? ...and should I get a 4.25" or 4.5" rear wheel? A buddy has a 5" but it gets way too much...