(2021) Harley-Davidson FLHRXS Road King® Special



A custom bagger with top-of-the-line power and a commanding presence. Riders seeking a factory custom hot rod with iconic H-D style. Milwaukee-Eight® 114 V-Twin engine and Prodigy™ wheels. Bright white Daymaker® LED headlamp pushes out an impressive punch, and a new Low Profile Engine Guard designed to emphasize the bike's slammed, low lines.

Technical Specification 

Model FLHRXS Road King® Special
Dimensions
Length 95.3 in. (2,420 mm)
Overall Width 39 in. (990 mm)
Overall Height 45.3 in. (1,150 mm)
Seat Height, Laden 26.4 in. (671 mm)
Seat Height, Unladen 27.4 in. (695 mm)
Ground Clearance 4.9 in. (125 mm)
Rake (steering head) (deg) 26
Fork Angle (deg) 29.25
Trail 6.9 in. (175 mm)
Wheelbase 64 in. (1,625 mm)
Tires, Type Dunlop® Harley-Davidson Series, bias blackwall front and rear
Tires, Front Model D408F
Tires, Front Specification 130/60B19 61H
Tires, Rear Model D407T
Tires, Rear Specification 180/55B18 80H
Fuel Capacity 6 gal. (22.7 l)
Reserve Fuel Capacity, Fuel Injection (warning light) 1 gal. (3.8 l)
Oil Capacity (w/filter) 5.2 qt. (4.9 l)
Transmission Capacity 1 qt. (.95 l)
Primary Chain Case Capacity 1.1 qts. (1 l)
Coolant Capacity N/A
Weight, As Shipped 774 lb. (351 kg)
Weight, In Running Order 807 lb. (366 kg)
Gross Vehicle Weight Rating 1,360 lb. (617 kg)
Gross Axle Weight Rating, Front 500 lb. (227 kg)
Gross Axle Weight Rating, Rear 927 lb. (420 kg)
Luggage Capacity -Volume 2.5 cu ft (0.07 m3)
Engine
Engine Milwaukee-Eight™ 114
Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; four valves per cylinder
Bore 4.016 in. (102 mm)
Stroke 4.5 in. (114 mm)
Displacement 114 cu in (1,868 cc)
Compression Ratio 10.5:1
Fuel System Electronic Sequential Port Fuel Injection (ESPFI)
Air Cleaner Paper, washable
Exhaust Black, 2-1-2 dual exhaust with tapered mufflers
Lubrication System Pressurized, dry-sump with oil cooler
Drivetrain
Primary Drive Chain, 34/46 ratio
Final Drive Belt, 32/68 ratio
Clutch Mechanically actuated, 10 plate wet, Assist and Slip
Transmission 6-Speed Cruise Drive®
Gear Ratios (overall) 1st 9.593
Gear Ratios (overall) 2nd 6.65
Gear Ratios (overall) 3rd 4.938
Gear Ratios (overall) 4th 4
Gear Ratios (overall) 5th 3.407
Gear Ratios (overall) 6th 2.875
Chassis
Frame Mild steel; tubular frame; two-piece stamped and welded backbone; cast and forged junctions; twin down-tubes; bolt-on rear frame with forged fender supports; MIG welded.
Swingarm Mild steel; two-piece drawn and welded section; forged junctions; MIG welded.
Front Fork 49 mm Dual Bending Valve
Rear Shocks Premium low height hand-adjustable rear suspension
Wheels, Front Type Gloss Black Prodigy
Wheels, Front Width 3.5 in. (89 mm)
Wheels, Front Height 19 in. (483 mm)
Wheels, Rear Type Gloss Black Prodigy
Wheels, Rear Width 5 in. (127 mm)
Wheels, Rear Height 18 in. (457 mm)
Brakes, Caliper Type 32 mm, 4-piston fixed front and rear
Brakes, Rotor Type Dual floating rotors (front), fixed rotor (rear)
Brakes, Front Diameter 11.8 in. (300 mm)
Brakes, Front Thickness 0.2 in. (5.1 mm)
Brakes, Front is dual Yes
Brakes, Rear Diameter 11.8 in. (300 mm)
Brakes, Rear Thickness 0.28 in. (7.1 mm)
Brakes, Anti-Lock Braking System (ABS) Standard
Suspension Travel, Front 4.6 in. (117 mm)
Suspension Travel, Rear 2.15 in. (54.6 mm)
Performance
Engine Torque Testing Method J1349
Engine Torque 118 ft-lb (160 Nm)
Engine Torque (rpm) 3,250
Lean Angle Testing Method J1168
Lean Angle, Right (deg.) 32
Lean Angle, Left (deg.) 31
Fuel Economy Testing Method Estimated City/Hwy
Fuel Economy 43 mpg (5.5 l/100 km)
Electric
Battery Sealed, maintenance-free, 12V, 28-amp/hour, 405 cca (per Battery Council International Rating)
Charging Three-phase, 48-amp system (600W @ 13V, 2000 rpm, 625W max power @ 13V)
Starting 1.6 kW electric with solenoid shift starter motor engagement
Lights (as per country regulation), Headlamp LED 34-watt, 915 lumen low beam, 37-watt, 915 lumen high beam
Lights (as per country regulation), Tail/Stop 8W/28W
Lights (as per country regulation), Front Signal Lights 8W/28W
Lights (as per country regulation), Indicator Lamps High beam, running lights, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, battery, security system, low fuel warning, cruise control, ABS, Gear/RPM display, miles to empty display
Lights, Rear Turn Signals 8W/28W
Gauges Gauges styled to complement each vehicle. Display features odometer, trip A, trip B, range to empty and gear indicator; and larger tell-tale indicators.
Auxiliary Lamps N/A
Electric Power Outlet N/A
GPS System N/A
Reverse Gear N/A
Warranty And Service
Warranty 24 months (unlimited mileage)
Service Interval First 1,000 miles (1,600 km), every 5,000 miles (8,000 km) thereafter

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