Geraint and Tom are back with a bonus episode and another Martin Johnson!

This time it's England's World Cup winning rugby captain, who joins the GTCC to chat cycling, cycling and more cycling. When did he start? What's the hardest climb he's ever done? And why does he eat a Chinese the night before a big ride?

We also check in with G on training, racing and an upcoming Netflix documentary. But will he accept Tom's challenge?

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