The large wheels also create the necessary space for installing the BRABUS high-performance brake system with 12-piston aluminum fixed calipers and 380 x 36-mm (15.0 x 1.42 inches) vented and cross-drilled discs in front, and 355 x 28-mm (14.0 x 1.1 inches) discs and six-piston aluminum fixed calipers on the rear axle.
He did not note that he had ignored large yellow signs instructing him to shift his truck into a low gear (evidenced by police photographs of his brake pads).