BMW R18 Roctane vs Harley-Davidson Street Bob Comparison

From The Experts

Things we like	--	Affordable pricing Excellent ride quality Powerful engine Read More
Things we don't like	--	Kerb weight may feel a little too much for some riders Read More

Engine & Performance

Displacement	1802 cc	1745 cc
Maximum Power	90 hp	--
Fuel Tank Capacity (litres)	16 L	17.8 L
Drive Type	Shaft Drive	Belt Drive
Compression Ratio	9.6:1	10.0:1
Engine Type	Twin Cylinder, 8 Valves, 4-Stroke, Oil Cooled Engine	2 Cylinder, Air-Cooled, 4-Valve, Milwaukee-Eight
Cooling System	Liquid Cooled	Air Cooled
Bore X Stroke	107.1 mm x 100 mm	100 mm x 111.1 mm
Clutch Type	Single Disk Dry Clutch	--
No. Of Strokes	4-Stroke	4-Stroke
Valves Per Cylinder	4	4
Maximum Torque	158 Nm	145 Nm
Exhaust Pipes	Dual Exhaust	Dual Exhaust
No. Of Cylinder	2	2
RPM at Maximum Torque	3000 rpm	3000 rpm
RPM at Maximum Power	4750 rpm	--
Lubrication System	--	Wet Sump
Injection Type	--	Indirect Injection

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Dimension

Category	Cruiser	Cruiser
Width	982 mm	--
Seating Capacity	1	1
Seat Height	720 mm	680 mm
Wheel Base	1719 mm	1630 mm
Ground Clearance	--	125 mm
Length	--	2320 mm
Dry Weight	--	286 kg
Oil Tank Capacity	--	4.7 L

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Fuel & Ignition

Ignition System	Twin-Spark Ignition	CDI
Start Option	Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Supply System	--	EFI

Chassis & Suspension

Rear Suspension	Swing Arm	Mono Shock
Front Suspension	Telescopic Fork	Cartridge Fork

Wheels & Tyres

Tyre Type	Radial, Tubeless	Radial, Tubeless
Rear Wheel Size	R16	R16
Front Wheel Size	R21	R19
Front Tyre	120/70 R21	100/90 R19
Rear Tyre	180/55 R16	150/80 R16

Electrical

Battery Voltage	12 V	12 V
Battery Capacity	26 Ah	--

Gear & Transmission

Transmission Type	Manual	Manual
Gear Box	6-Speed	6-Speed

Safety & Security

ABS	Yes	Yes
Pass Switch	Yes	Yes
Back Rest	No	No
Side Reflectors	Yes	Yes
Riding Modes	Road Road	Street, Road Street, Road
Shutter Lock	No	No
Leg Guards	No	No
Launch Control	No	No
Engine Check Warning	Yes	Yes

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Console

Odometer	Digital Digital	Digital Digital
Display Screen	Yes	Yes
Tripmeter	Yes	Yes
Speedometer	Analog Analog	Digital Digital
Oil Change Indicator	--	Yes
Navigator	--	No

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Electrical

Indicator Light	Yes	Yes
Head Lamp	LED LED	LED LED
Adjustable Headlights	Yes	Yes
Tail Lamp	--	LED LED

Brake

Front Brake	Dual Disc Dual Disc	Disc Disc
Rear Brake	Disc Disc	Disc Disc

Chassis & Suspension

Seat Type	Single Seat Single Seat	Single Seat Single Seat
Side Wings	No	No
Body Frame Type	Double Loop with Bolted Beams Double Loop with Bolted Beams	Stiffer Frame Stiffer Frame
Body Frame Material	Steel Steel	Steel Steel

Differentiating Features

Height Adjustable Seats

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No