China’s motorcycle industry legend Zhang Xue has invited a 31-year-old cancer-stricken fan to an overseas motorsport competition after learning about the man’s bleak prognosis. Zhang, who was little known to most of the public last year, rose to international fame months ago for achieving an unprecedented victory for the country in a world-class race. The turning point was in March when French rider Valentin Debise won two races in the WorldSSP class of the Superbike World Championship riding on