Joined: Dec 2004
Posts: 12,548
Likes: 797
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
What I want to know is this: If they're called "disc brakes" then why is the disc-shaped thing that gives them their name called a "rotor?"