Gonzalez barred from Tour start
Euskaltel’s Gorka Gonzalez has been barred from riding the Tour de France, which starts in Liège on Saturday, after a pre-race blood screening test on Thursday. Gonzalez was the only rider among the 189 riders from 21 teams registered for the July 3-25 race to raise suspicion. The rest were declared fit to race. Pre-race screening controls test the volume of red blood cells. If the hematocrit level is above the permitted threshold of 50, a rider is barred from racing for two weeks and will undergo further tests. The hematocrit test is merely an indicator of doping, though offers no