HE’S just a gem! With those words Wyong trainer Kristen Buchanan summed up her evergreen gelding Stylebender, who returns to racing at Rosehill Gardens on Saturday. Newcastle apprentice Shannen Llewellyn has the mount in the Benchmark 78 Handicap (1800m); her 3kg city allowance lessening his weight to 57.5kg. Buchanan has done a superb job with Stylebender, winning eight races with him since joining her stable three years ago after the New Zealand-bred gelding had raced 28 ti