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 ...

Chevy's new Corvette ZR1 uses 15.5-inch, two-piece carbon/ceramic rotors made by Brembo. Carbon/ceramic material, or CCM, is a technology pioneered in Formula 1 racing with its carbon/carbon rotors.

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.

The stock rear two-piece rotor weighed 22.92 pounds, and the new one-piece rotors 22.104 a piece, a difference of 0.816 pounds. But you must also remember the old stock rotors were well worn, with ...

Offered in 15″ (380X34mm) or 16″ (405mm X 36mm) oversize 2-piece floating discs with t-billet aluminum hat to produce the ultimate brake torque, these oversize discs provides exceptional heat ...

Helping to slow down the more powerful Lexus is a set of new brake rotors, with 14.0-inch two-piece rotors at the front and 12.7-inch rotors at the rear.

(Image credit: Hayes Disc Brakes) The Pro model's two-piece rotor weighs as little as 110g with a new venting pattern that supposedly runs quieter than before. (Image credit: Hayes Disc Brakes) ...

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.