34 34.3 Technical Data 34 Brakes R 1150 RT Brake fluid DOT 4 Front wheel Type Hydraulically operated twin disc brake with 4-pis- ton fixed calipers and floating brake discs Colour of identification mark on brake cali- pers/brake pads white Brake pad lining Sintered metal Minimum lining thickness mm (in) 1.0 (0.0393 in) Brake pad surface area cm2 (sq in) 86 (13.33) Brake disc dia. mm (in) 320 (12.5987) Brake disc thickness mm (in) 5.0 (0.1969) Minimum thickness of brake discs mm (in) 4.5 (0.1772) Permissible lateral runout mm (in) 0.15 (0.0059) Piston dia. in brake caliper mm (in) 32/36 (1.2599/1.4173) Piston dia.
in handlebar lever cylinder mm (in) 16 (0.6299) Rear wheel Type Hydraulically operated disc brake with 2-piston floating caliper and fixed disc Brake pad lining Sintered metal Minimum lining thickness mm (in) 1.0 (0.0393) (If the brake disc is visible through the bore in the wheel-side brake pad, the brake lining is worn to its minimum permissible thick- ness) Brake pad surface area cm2 (sq in) 33.8 (5.23) Brake disc dia. mm (in) 276 (10.8661) Brake disc thickness mm (in) 5.0 (0.1968) Minimum thickness of brake disc mm (in) 4.5 (0.1772) Permissible lateral runout mm (in) 0.15 (0.0059) Piston dia. in brake caliper mm (in) 26/28 (1.0236/1.1023) Piston dia.
in actuating cylinder mm (in) 13 (0.5118) BMW Integral ABS Type Active fully integral system Sensor gap, front mm (in) 0.2...1.7 (0.0079...0.0670) (active sensor) Sensor gap, rear mm (in) 0.2...1.7 (0.0079...0.0670) (active sensor)