Register an account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members.
Something between 2.75" and 4.25". From what I understand too little or to much can cause bearing-wear issues. I have run both 4.25" and 3.5" BS wheels on my D60/ff14b with no issues.
Ya plenty of material. These calipers are ****in huge. I would say that even with all of the material I have ground off they are still thicker than 10 bolt calipers 1/2 or 3/4 ton. The thinnest portion which is around the edge of the "window" on the caliper is about 3/8 of an inch with the caliper increasing in thickness as you go out each direction from the window.