50 years on - John Surtees on his unique bike-car double

John Surtees headed into the 1964 Formula One season finale in Mexico locked in a three-way fight for the title. Engine issues sent him plummeting down the race order and threatened an early exit, but Surtees fought back and, as fellow Britons Graham Hill and Jim Clark hit trouble in dramatic fashion, emerged triumphant as the first, and to date only, person to have won world championships on both two and four wheels.

But what does the man himself think of the magnitude of his achievement? What was his mentality going into that showdown against two of the most celebrated F1 champions? And when did he realise he was on the brink of something historic? On the eve of the 50th anniversary of his unprecedented feat, we spoke to Surtees to find out

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