These Rear Mechanical Disc Brake Systems Out Perform The Traditional Rear Mechanical Drum Brakes Offer 3x's More Stopping Power! Easily Installed ( Less Than 2 Hours) This Disc Brake System Is Much Better Than The Hydraulic Front Disc Brakes That Other Companies Offer. Great For 4 Passenger Golf Cars & Lifted Golf Cars And In Hilly Territory!  *Note: Only Use If  You Have 10" Or Greater Wheel/Rim. Please Note: Lifted Golf Cars Require Brake Cable Extenders And The Difference Is $15.00