Tolong jelaskan mengenai Pencapaian yang besar dari Alberto Contador dalam bahasa melayu

Vuelta a Castilla y León

Volta a la Comunitat Valenciana

Vuelta a Castilla y León

Spanish National Time Trial Championships

1st position Tour de France

Vuelta a Castilla y León

Vuelta a Castilla y León

Garis masa keputusan klasifikasi keseluruhan Grand Tour

Alberto Contador Video Alberto does wind tunnel testing on new bike

Cyclists at the 2008 Summer Olympics

Spanish Giro d'Italia stage winners

Spanish Tour de France stage winners

Spanish Vuelta a España stage winners

Tour de Suisse stage winners

Spanish sportspeople in doping cases