Just had a look at the mtech website, good prices, this is what they have stated on their website about their drilled discs:
Quote:
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The benefits of drilled brake discs over standard plain discs, is that drilled discs can aid Improved Cooling Under Braking. The holes are drilled completely through the discs allowing heat to escape.Drilled brake discs are not recommended for racing or other hard use.
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A little odd to state drilled discs offer better cooling but than to say not their drilled discs are not for "hard" use
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