BMW R 18 Roctane 2023 vs. Harley-Davidson Road King Classic FLHRC 2020

Technical Specifications BMW R 18 Roctane 2023 compared to Harley-Davidson Road King Classic FLHRC 2020

BMW R 18 Roctane 2023

Harley-Davidson Road King Classic FLHRC 2020

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Differences

BMW R 18 Roctane 2023

Harley-Davidson Road King Classic FLHRC 2020

Engine and Drive Train

Engine type	Engine type	Boxer	Engine type	V
Bore	Bore	107.1 mm	Bore	100 mm
Stroke	Stroke	100 mm	Stroke	111.1 mm
Engine power	Engine power	91 HP	Engine power	89 HP
Rpm at Max. Power	Rpm at Max. Power	4,750 rpm	Rpm at Max. Power	5,450 rpm
Torque	Torque	158 Nm	Torque	150 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	3,250 rpm
Compression Ratio	Compression Ratio	9.6	Compression Ratio	10
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Toughened, Dry	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Belt
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	Oil-air	Cooling	Air
Displacement	Displacement	1,802 ccm	Displacement	1,745 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame type	Frame type	Double cradle	Frame type	Double cradle
Rake	Rake	55.3 degree	Rake	26 degree
Trail	Trail	185 mm	Trail	170 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	130 mm
Front tyre height	Front tyre height	70 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	65 %
Rear tyre diameter	Rear tyre diameter	16 inch	Rear tyre diameter	16 inch
Length	Length	2,615 mm	Length	2,420 mm
Wheelbase	Wheelbase	1,720 mm	Wheelbase	1,625 mm
Seat Height	Seat Height	720 mm	Seat Height	715 mm
Kerb Weight	Kerb Weight	374 kg	Kerb Weight	376 kg
Fuel Tank Capacity	Fuel Tank Capacity	16 l	Fuel Tank Capacity	22.7 l
Top Speed	Top Speed	180 km/h	Top Speed	175 km/h
Stationary noise	Stationary noise	93 dB	Stationary noise	95 dB