I used to use Goodrich sintered GH pads on my 2001 R6. Awesome feedback and braking. Currently have modulation in 06 r6- you know, the on and off I think every single rotation- in low speed braking -its really annoying, but not under speed - the pulsing goes away. I have not determined if I am getting the 'pulse' through the lever yet.. and cause yet to be actually determined. Hot spot or warp, not sure. I had advice that changing brake pads may make this issue disappear. Not really a problem as I intend to go to a sintered pad anyway and get rid of the pads in it... Anyone had this before??? Also has anyone got a review on metalgear sintered pad, or anything other than goodrich? They are darned expensive.