The highest quality alloyed gray iron composition is heat treated to releive casting stress, straight slots, surface EDP Coating w/cross cut grinding on friction surface. These are dynamically balanced after slotting to ensure vibration-free use at high speed. The slots wipe away the white-hot boundary layer from the disc and pad to increase braking efficiency, also particularly helpful in wet conditions. The rotor is painted using an "electro-deposition" process for the very best in rust prevention. Price is per rotor but mininum order is 2....so order two!
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