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crf 150r gearing

Discussion in 'Mini Racing' started by stymie12000, Sep 20, 2012.

  1. stymie12000

    stymie12000 Well-Known Member

    I've got a crf150r expert and will be running the 125 slicks. Right now it has stock gearing. What would be a good starting point for the rear sprockets size? I will be using it for the big tracks (barber, beaverun, etc.). Thanks
     
    stymie12000, Sep 20, 2012
    #1

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