Quote:
Originally Posted by j rick kirby
The lack of pad coverage closer to the hub is not that big of a deal as most of the effective brake torque takes place at the perimeter. So the diameter of the rotor makes more difference than the pad coverage. So it's actually a pretty good design as the long pad that covers a lot of the perimeter is more effective than a pad that is shorter but covers the rotor closer to the hub.
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Yep, mechanical leverage. The farther from the hub you mount the caliper, the more braking force you'll get.
But, regardless of rotor size, covering the entire surface with brake pad would still be better than the way they designed it. They give you all that friction surface, but didn't use all of it.