Tyre contact patch


1960’s racing.
50cc, 15ish bhp, about 65kg. In the rain.

Along the same lines, this is an amazing machine. http://www.bikeexif.com/suzuki-rk67

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I bet there’s an equally sized brown patch on the leathers


God, those tyres look almost square! You had to be seriously brave to race bikes back then.


The rear tyre, in the link, looks like it was probably a forerunner of the K81 Roadmaster which Dunlop later re-branded as the TT100.