GT250 tyre size – Rear wheel size

[Steve Lee]

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

[Steve Lee]

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

[♠️ MARCEL]

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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