Forums 🚥 PIT STOP 🔧 Hyosung Technical Help GT250 tyre size – Rear wheel size

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    • #3771
      Steve Lee
      Member
      • Topics: 4
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      Nov 20, 2019
      @leepylee
      North East
      GT250
      Points: 163

      I have the chance of some pirellis the rear being a 140 section. Anyone tried this size / will they fit? GT250

    • #3765
      Steve Lee
      Member
      • Topics: 4
      • Replies: 3
      Joined:
      Nov 20, 2019
      @leepylee
      North East
      GT250
      Points: 163

      I have the chance of some pirellis the rear being a 140 section. Anyone tried this size / will they fit?

    • #3767
      ♠️ MARCEL
      Administrator
      • Topics: 38
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      Nov 20, 2019
      @mf448kxn6
      North UK
      GTR
      Points: 4,225

      Since the rear rim is a JMT 3.50 , it would want a size 150/70 tyre and also since the rotating mass/ circumference stays the same.
      A 140 might under/over read the speedo  (ie. 30mph becomes 35 or 27 depending on its rest of dimensions of tyre).   160/60 is the limit but its pushing it, it will still keep the speedo the same though 👍

      I would stay with the stock size as it wins handling wise also.

      // Meditation doesn't mean you have to sit still....

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