For decades, single-piece rotors have been the mainstay of light- and medium-duty truck brakes. Now, two-piece rotors — first developed for NASCAR and other car racing sports — are slowly ...

This is why two-piece rotors may be a good option, but weight reduction can be taken a step further. Chevy's new Corvette ZR1 uses 15.5-inch, two-piece carbon/ceramic rotors made by Brembo.

Two-piece rotors were first used on motorcycles to save weight and allow for the fixed calipers required on the bikes. The use of an aluminum "hat" or "bell" bolted to an iron rotor ring was ...

The factory front rotors weigh in at 28.4 pounds while the two-piece EradiSpeeds come in at 24.2. That 4.4-pound weight savings can be primarily contributed to the aluminum hub on the Baer rotors.

EBC Brakes is now selling two-piece front brake rotors for both the Tesla Model S and the Model X.These new rotors are 3.5 kg (7.7 lb) lighter than the ones the Tesla EVs offer. The total 7 kg ...