The last time Mark Cavendish appeared at a Revolution Series meeting here in Manchester he had just won the road world championships. On that occasion a celebratory mood filled the air. On Saturday night, though, it was a very different affair. We may be just two days into the new year – an Olympic year at that – but the season of goodwill is most definitely over and there were certainly no gifts handed out on the boards as the race for Rio heated up in a packed velodrome in east Manchester.