Sir Bradley Wiggins has revealed he was sexually groomed by a coach at the age of 13. The former Tour de France winner and five-time Olympic gold medallist explained how a difficult relationship with his stepfather meant he didn’t feel like he could open up about his horrific ordeal. He told Men’s Health UK magazine: “I was groomed by a coach when I was younger – I was about 13 – and I never fully accepted that.” Asked if he was groomed sexually, he added: “Yes. It all impacted me as an adult…I buried it. My stepfather was quite violent to me, he used to call me a f***** for wearing Lycra an…