KTM 450 SMR 2021, Owner'S Manual

Page: 123 / 139

TECHNICAL DATA 22
121
22.4 Chassis
Frame Central tube frame made of chrome molybdenum steel
tubing
Fork WP XACT 5448
Suspension travel
front 285 mm (11.22 in)
rear 266 mm (10.47 in)
Fork offset 16 mm (0.63 in)
Shock absorber WP XACT 5750
Brake system
front Single disc brake with radially screwed four-piston
fixed caliper, floating brake disc
rear Single disc brake with single-piston floating brake
caliper, fixed brake disc
Brake discs - diameter
front 310 mm (12.2 in)
rear 220 mm (8.66 in)
Brake discs - wear limit
front 4.5 mm (0.177 in)
rear 3.5 mm (0.138 in)
Tire pressure (cold)
front: 10 … 30 °C (50 … 86 °F) 1.9 bar (28 psi)
rear: 10 … 30 °C (50 … 86 °F) 1.7 bar (25 psi)
Tire pressure (warm)
front: 75 … 85 °C (167 … 185 °F) 2.1 bar (30 psi)
rear: 75 … 85 °C (167 … 185 °F) 1.9 bar (28 psi)
Secondary ratio 14:45
Chain 5/8 x 1/4"
Rear sprockets available 40, 42, 45, 48, 49, 50, 51, 52
Steering head angle 63.9°
Wheelbase 1,468 ± 10 mm (57.8 ± 0.39 in)
Ground clearance, unloaded 290 mm (11.42 in)
Seat height, unloaded 890 mm (35.04 in)
Weight without fuel, approx. 102 kg (225 lb.)
Maximum permissible front axle load 145 kg (320 lb.)
Maximum permissible rear axle load 190 kg (419 lb.)
Maximum permissible overall weight 335 kg (739 lb.)