... and Rear Are Hydraulic Disc Brake Shaft Drive, 4WD 500cc Automatic ATV, 500cc 4WD ATV, Shaft Drive ATV(XA500E-B) ... shiftingEngine BrakingAll Wheels Disc BrakeDrive Train 2WD/4WD adjustable by push button, two rear wheels always locked, no differential, shaft drive.ChassisSuspension ... light, 10W turning light & dual 21/5W brake light 500cc Automatic ATV, 500cc 4WD ATV, Shaft Drive ATV(XA500E-B)