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Old 28 Jul 2007, 19:21 (Ref:1975403)   #13
dtype38
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dtype38 has a real shot at the podium!dtype38 has a real shot at the podium!dtype38 has a real shot at the podium!dtype38 has a real shot at the podium!
Cross drillings in the discs prevent the pads aquaplaning for a couple of revolutions of the wheel when you want to brake in the wet. Not noticable on cars, but most bikers can tell you about how heartstopping that lag can be when need to slow down urgently. Most bikers use drilled discs. Slotted face discs do the same sort of thing, they just instantly clear the water from behind the pad, but aren't as pretty imho. Don't think it matters much what the pattern of holes is or what direction the grooves point, just so long as they're evenly distributed across the pad. As for the gassing thing, not got any hard info on that, but sounds likely in high temp situations like racing, and obviously needs to be cleared from behind the pad for similar reason. Do remember though, that the pad can only work on metal, not air, so don't go for discs with too many holes or slots. That'll just reduce your braking capacity. :-)

Last edited by dtype38; 28 Jul 2007 at 19:30.
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