Join Date: Sep 2001
Location: Milwaukee (Sussex), WI
It's not just contact area, but where that force is applied. The larger the rotor, the larger the virtual lever arm is created as the brake pad is moved farther from the hub center.
Chris (Sussex, WI)
289 w/AFR 165, T-5z, 3.55T-loc, Granada Discs and 6 bolt Moto-Lita Steering Wheel