STANDARD IRON BRAKE - TECHNICAL INFO. - Why RB Two Piece Rotor - RB Performance Brakes (racingbrake.com)

Why RB Two Piece Rotor

Why RB Two-Piece Rotor

RB Center-Mount design advantages over conventional surface-mount two-piece rotors

2 components (1 hat, 1 disc) vs. up to 4 in competing two-piece designs

1. Runs cooler

Wide, unrestricted air ports on both sides — see full detail

2. Fewer components

2 parts per rotor vs. 3-4 in competing designs

3. Saves install space

Room for a deeper pad without hardware interference

4. Self-locking hardware

No Loctite, consistent torque at any temp — see full detail

Full component comparison (RB vs. StopTech vs. other two-piece designs)

1. Runs cooler than the competition
RB's center-mount design provides widely open and unrestricted "air ports" from both the inboard and outboard sides. Other brake companies try to achieve similar airflow through directional hats, but regardless of how effective that is, they still need 4 components (2 hats, 2 discs) for a pair of rotors, versus RB's 2 components (1 hat, 1 disc — unidirectional).

2. Fewer components than named competitors
StopTech's directional rotor design requires 4 different components (2 hats, 2 discs) for a set. Other competing designs use 3 components (1 hat, 2 discs). RB's center-mount design uses just 2 (1 hat, 1 disc).

3. Saves installation space
The center-mount design saves installation space and allows the use of a deeper brake pad without interfering with the hardware.

4. Self-locking hardware, no Loctite
RB's self-locking hardware design retains consistent torque at any braking temperature without relying on thread-locking adhesive.

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Why RB Two Piece Rotor

Why RB Two-Piece Rotor