Last Updated: May 5, 2026 The most expensive bike in the world is the 24K Gold Extreme Mountain Bike by The House of Solid Gold — listed at $1 million, with a frame coated in 24-karat gold and embedded diamonds. The most expensive functional racing bike is the Trek Butterfly Madone (Damien Hirst design) which … Continue reading Most Expensive Bikes In The World: The Most Expensive Mountain Bike, Road Bike, And BMX