Landie speedos tend to overread by quite a bit IME. I run 33" tyres (1" larger) on both my landies, and the speedos are pretty close now (but still overread slightly).
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Landie speedos tend to overread by quite a bit IME. I run 33" tyres (1" larger) on both my landies, and the speedos are pretty close now (but still overread slightly).
Not sure if this is of any help...
http://www.dur.ac.uk/p.d.kuhlmann/speedo.pdf
Regards,
Colin