Hardly worth the effort in my mind for a few grams, but here's the weightweenies page listings for disc brakes/parts http://weightweenies.starbike.com/listings/components.php?type=discbrakes
As you can see, there's some variance but to spend extra $$ to get 10-20 grams "savings" is silly. You could save more, and more easily, by finding a lighter tire or tube. Or blowing your nose. If you really want to save a more significant number of grams of rotor weight try a Stan's aluminum but your performance will suffer.
A 6 bolt standard is interchangeable; Shimano's center lock mounts are different.
ps Much more sympathy for this kind of stuff on the weight weenie board...
As you can see, there's some variance but to spend extra $$ to get 10-20 grams "savings" is silly. You could save more, and more easily, by finding a lighter tire or tube. Or blowing your nose. If you really want to save a more significant number of grams of rotor weight try a Stan's aluminum but your performance will suffer.
A 6 bolt standard is interchangeable; Shimano's center lock mounts are different.
ps Much more sympathy for this kind of stuff on the weight weenie board...
