Olympic ace Carlin has decided to call it a day

Jack Carlin was in an Australian gym earlier this year when he began to realise a cycling career which has brought two silver and two bronze Olympic medals was at an end.

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Jack Carlin in Paris (Getty Images)

(Getty Images)

The 28-year-old Scot, who took team sprint silver and individual sprint bronze in both the Tokyo and Paris Games, took time out to go travelling after last summer's Olympics but had stopped at a gym to do some weights.