BMW R18 Roctane vs Harley-Davidson Fat Bob Comparison

From The Experts

Things we like	--	Muscular and modern design Ride quality Read More
Things we don't like	--	Too heavy for new riders Not easily manoeuvrable in urban traffic conditions Read More

Engine & Performance

Displacement	1802 cc	1868 cc
Maximum Power	90 hp	--
Fuel Tank Capacity (litres)	16 L	13.6 L
Maximum Torque	158 Nm	155 Nm
No. Of Strokes	4-Stroke	4-Stroke
Compression Ratio	9.6:1	10.0:1
Valves Per Cylinder	4	4
Drive Type	Shaft Drive	Belt Drive
No. Of Cylinder	2	2
Clutch Type	Single Disk Dry Clutch	--
Engine Type	Twin Cylinder, 8 Valves, 4-Stroke, Oil Cooled Engine	2 Cylinder, Air Cooled, 4-Valve, Milwaukee-Eight
Exhaust Pipes	Dual Exhaust	Dual Exhaust
Cooling System	Liquid Cooled	Air Cooled
Bore X Stroke	107.1 mm x 100 mm	100 mm x 111.1 mm
RPM at Maximum Power	4750 rpm	--
RPM at Maximum Torque	3000 rpm	3500 rpm
Valve Configuration	--	DOHC
Lubrication System	--	Wet Sump

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Dimension

Category	Cruiser	Cruiser
Wheel Base	1719 mm	--
Width	982 mm	--
Seat Height	720 mm	710 mm
Seating Capacity	1	2
Dry Weight	--	306 kg
Length	--	2340 mm

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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

Front Suspension	Telescopic Fork	--
Rear Suspension	Swing Arm	--

Electrical

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

Wheels & Tyres

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

Gear & Transmission

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

Safety & Security

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

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Console

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

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Brake

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

Chassis & Suspension

Body Frame Type	Double Loop with Bolted Beams Double Loop with Bolted Beams	--
Body Frame Material	Steel Steel	Steel Steel
Side Wings	No	No
Seat Type	Single Seat Single Seat	Dual Stepped Dual Stepped

Electrical

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

Differentiating Features

Height Adjustable Seats

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No