The document lists some of the world's most expensive and high-performance bikes, including the Dodge Tomahawk V10 Superbike priced between $550,000-$600,000 that can reach top speeds of 640kms/hr, the ECOSSE Titanium Series RR priced from $160,000-$200,000 with a 2,150cc engine, and the Macchia Nera Concept Bike priced at $200,000-$250,000 capable of reaching 370kms/hr.