Originally Posted by base2

Well to be fair, Shimano cassettes really are the rarest of all bike components...I've never seen one in person, but I hear-tell that some are actually plated with a special gold-rubidium plating suitable for only the most extreme cycling conditions.

Hydraulic hoses too! OMG! A flexible passage that transmits force, undiminished at right angles throughout it's entire length? Tell me what they'll come up with next! This is truly some remarkable feat of modern engineering; The likes of which could revolutionize cycling for the next 30 years...A true once in a lifetime innovation.