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03-07-2014, 06:02 PM | #25 |
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Drives: 21 X6MC
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Location: Seattle
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03-09-2014, 03:50 PM | #26 |
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They are different rotor technologies. The drilled uses woven fibers and the undrilled rotors use a chopped fiber core with a carbon fiber felt surface. The woven fiber rotors are used for both street and hard core Motorsports whereas the chopped fiber rotors are more street use.
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