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    • Disk Surface Finish

     

    Open Slot Slotted Only Drilled & Slotted
    Open Slot*
    Open Slot
    See detail view
          
    		 US Patent #:
    7097007
    *Currently available only for two-piece rotors.
    Advantages:
    • Has the advantages of both drilled & slotted rotors
    • Allows the disc to expand and contract and prevents the disc from cracking or warping
    • Increasing cooling area and retains more friction surface
    • Slots relieves thermal stress
    • Slots are self cleaning and the pad build up will not clog the slots and are exhausted via the rotor edge keeping the disc surface clean
    • Reduces brake pad dust buildup and keeps the wheel clean through vacuum effect
    Disadvantages:
    • Cost more to produce
    Remarks:
    • Patented design (US Patent #: 7097007)
    • This design optimizes the friction between the pads and disc surface and achieves the highest level of braking performance that no other designs can provide.
    • Minimal brake dust build up on wheels

    rb 2 piece rotor



    Open Slot Slotted Only Drilled & Slotted
    Slotted Only
     Straight Slot
    Advantages:
    • Helps the gas to escape
    • Keeps disc surface cleaner
    • Easy to produce
    Disadvantages:
    • Debris builds up and clogs the slot

      Debris Buildup
    Remarks:

    Preferred by track racers because slotted rotors are less likely to crack than cross-drilled rotors.

     

    Open Slot Slotted Only Drilled & Slotted
    Drilled or Drilled & Slotted
     Drilled & Slotted
    See detail view
    Advantages:
    • Provides better cooling and pad bite
    • Gives "racer's" look
    Disadvantages:
      • Reduces friction surface
      • Pads wear out faster
      • Cracks tend to form around drilled holes under hard braking or track racing


    Debris Drilled & Slotted
    Remarks:

    Rotors with drilled holes should only be used for street driving, as these rotors may tend to crack under repeated hard braking or in track racing. When choosing a drilled rotor, be sure that you do NOT choose a rotor that was drilled from an aftermarket blank (like many rotors on the market), as these rotors will not be balanced. All RacingBrake rotors are dynamically balanced as their last step, after slotting and/or drilling to ensure even distribution of mass.