TWM Quick Action CNC Billet Fuel Gas Cap with Black Handle fits Kawasaki ER6 ZX6R ZX10R Z750 Z1000 R SX First class Italian engineering and machinery from the Marchesini family! Quick release gas cap as used by top AMA and European Race teams. Precision machined from billet aluminum and finished with high thickness anodizing. Incredible weight savings! These fuel caps weigh in only at 130grams (4.58oz), as opposed to the factory Kawasaki OEcap that weigh in at 490grams (17.28oz)! Beware of replicas, TWM is the original inventor of the quick action fuel cap!