Originally Posted by
jowilson
Titanium brake rotors are available for sale and are
very light weight when compared to SS rotors, weighing in at just 88 grams. The Avid G2 Clean Sweep rotors, made of Stainless Steel, weigh 111 grams. A popular disc brake among bikers is the Avid X0's which are aluminum and those weigh in at 108 grams. There are many other alloys out there being used in rotors but those 3 are the most popular.
Josh
Ah, my knowledge of high-end MTB stuff seems to be a little out of date, my bad.