HE is competing with the senior cyclists for the first time at a Tasmanian Carnivals series but Launceston teenager Josh Duffy showed the tactical nous of a seasoned veteran to cause a major boilover and claim the Devonport Wheel. The 16-year-old made the most of his 240m mark at the front of the field in last night’s final, to hold off some fast-finishing backmarkers to claim the $6500 prize in the biggest win of his infant career.