rc390 caliper measurment

Discussion in 'Tech' started by skidooboy, May 26, 2017.

  1. skidooboy

    skidooboy supermotojunkie

    looking for the bybre front radial mount hole measurements on the rc390, and or duke 390. are they 100, or 108mm. trying to fab up a brake system for a wr450 supermoto project. thank you in advance, ski
  2. dobr24

    dobr24 Well-Known Member

    My rc390 measures at 80mm c to c of the mounting bolts

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