BMW R 1100 RT Repair Manual page 300

Technical Data
Brake fluid
Minimum lining thickness
Front wheel
Brake disc dia.
Brake disc thickness
Minimum thickness
Brake pad surface area
Piston dia. in brake caliper
Piston diameter in handlebar lever cylinder
Sensor gap, front
Brake pad
Rear wheel
Brake disc dia.
Brake disc thickness
Minimum thickness
Permissible lateral runout
Brake pad surface area
Piston dia. in brake caliper
Piston dia. in foot brake cylinder
Sensor gap, rear
Brake pad
R 850 GS
DOT 4
mm (in) Wear indicator
mm (in) 305 (12.0079)
± 0.1 ± 0.003937
mm (in) 5 (0.1969
mm (in) 4.5 (0.1772)
2
cm 100 (15,5)
(sq.in)
mm (in) 32/34 (1.2598/1.3386)
mm (in) 20 (0.787)
mm (in) 0.45...0.55
(0.0177...0.02165)
Semi-metallic
mm (in) 276 (10.866)
mm (in) 5.0 (0.1969)
mm (in) 4.5 (0.177)
mm (in) 0.15 (0.0059)
2
cm 34 (5.27)
(sq.in)
mm (in) 26/28 (1.0236/1.10236) 26/28 (1.0236/1.10236)
mm (in) 13 (0.512)
mm (in) 0.45...0.55
(0.0177...0.02165)
Semi-metallic
R 1100 GS
DOT 4
Wear indicator
305 (12.0079)
± 0.1 ± 0.003937
) 5 (0.1969 )
4.5 (0.1772)
100 (15,5)
32/34 (1.2598/1.3386)
20 (0.787)
0.45...0.55
(0.0177...0.02165)
Semi-metallic
276 (10.866)
5.0 (0.1969)
4.5 (0.177)
0.15 (0.0059)
34 (5.27)
13 (0.512)
0.45...0.55
(0.0177...0.02165)
Semi-metallic
34.5