If you're not tracking, you have no use for it and end of day you're messing with your current bias. If you want better performance, get better biting pads (at the possible expense of more dust and noise). Forget drilled, slotted is fine but I prefer good ole regular blanks.
TC Kline | Ground Control | Quaife | Stoptech | Supersprint | Active Autowerke | Volk
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