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Cruisers

2018Harley-Davidson Sportster Roadster Dark Custom

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The 2018 Harley-Davidson Sportster Roadster Dark Custom appeals to riders seeking a lightweight, agile cruiser with classic styling and minimal bodywork. Known for its low seat height, nimble handling, and aggressive dark aesthetic, it excels as an accessible entry point to Harley-Davidson's lineup for new and experienced riders alike.

Capacity
1202.0 ccm
Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
240.0 kg
Seat height
785 mm
Power
67.0 HP (48.9 kW) @ 6000 RPM

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 45Agility 55Comfort 55Off-road 5Touring 40Road manners 65
Off-road & trail5%
Cornering50%
City riding60%
Daily riding60%
Touring40%
Two-up40%
Track20%
Best for
Built for street cruising and short blasts with attitude, blending Dark Custom styling with a punchy low-RPM V-twin rather than outright performance.
Built for
A muscular, torque-rich air-cooled V-twin with classic Harley sound and feel, offering charismatic low-end punch over high-rev thrills.
Not ideal for
Not the right choice for riders seeking sharp sport-bike handling, high-speed touring comfort, or any serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Sportster Roadster Dark Custom, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
1202.0 ccm
Power
67.0 HP (48.9 kW) @ 6000 RPM
CO2 Emissions
121 CO2 g/km
Torque
96.0 Nm (9.8 kgf-m) @ 4000 RPM
Engine type
V-Twin, four-stroke
Fuel consumption
5.20 litres/100 km (19.2 km/l)
Power/weight ratio
0.2792 HP/kg (dry)
Bore x stroke
88.9 x 96.8 mm
Compression
10.0:1
Cooling system
Air
Fuel system
Injection
Starting
Electric
Lubrication system
Dry sump
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Belt
Clutch
Multi-plate with diaphragm spring in oil bath
Dimensions & weight
Wheelbase
1505 mm
Overall length
2186 mm
Seat height
785 mm
Dry weight
240.0 kg
Wet weight
258.0 kg
Fuel capacity
12.50 litres
Ground clearance
152 mm
Oil capacity
2.60 litres
Chassis & suspension
Front suspension
Inverted fork
Rear suspension
Twin shocks
Rake (fork angle)
28.9°
Trail
140 mm
Brakes & wheels
Front brakes
Single disc. Dual-piston. Optional ABS.
Rear brakes
Single disc. Dual-piston. Optional ABS.
ABS
Optional
Front tyre
120/70-R19
Rear tyre
150/70-R18
Other
Color options
Vivid Black, Black Denim, Billet Silver/Vivid Black, Velocity Red Sunglo

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

Rider Reviews

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MotorcycleDB Review

The 2018 Harley-Davidson Sportster Roadster Dark Custom is a sleek and stylish motorcycle with a powerful engine and agile handling. Its dark, minimalist design adds to its appeal, giving it a badass look that is sure to turn heads on the road. The comfortable seating position and adjustable suspension make for a smooth and enjoyable ride, while the responsive braking system provides added safety and control. Overall, the Sportster Roadster Dark Custom is a top choice for riders looking for a versatile and high-performing bike that delivers both style and substance.

With its 1200cc engine and blacked-out details, the 2018 Harley-Davidson Sportster Roadster Dark Custom is a standout choice for riders seeking a bold and powerful motorcycle. Its compact size and nimble handling make it well-suited for urban riding, while its sporty performance capabilities make it a thrill on the open road. Additionally, the Dark Custom design gives this bike a unique and edgy aesthetic that sets it apart from other models on the market. Whether you're a seasoned rider or a newcomer to the Harley-Davidson family, the Sportster Roadster Dark Custom is a fantastic option for those seeking a high-performing and visually striking motorcycle.

Common questions

What is the engine size of the Harley-Davidson Sportster Roadster Dark Custom?

The 2018 Harley-Davidson Sportster Roadster Dark Custom has a Capacity of 1202.0 ccm (73.35 cubic inches).

What engine power does the Harley-Davidson Sportster Roadster Dark Custom have?

The 2018 Harley-Davidson Sportster Roadster Dark Custom has a Power of 67.0 HP (48.9 kW) @ 6000 RPM.

How many gears does the Harley-Davidson Sportster Roadster Dark Custom have?

The 2018 Harley-Davidson Sportster Roadster Dark Custom has a Gearbox of 6-speed.

What is the torque of the Harley-Davidson Sportster Roadster Dark Custom?

The 2018 Harley-Davidson Sportster Roadster Dark Custom has a Torque of 96.0 Nm (9.8 kgf-m or 70.8 ft.lbs) @ 4000 RPM.

How much does the Harley-Davidson Sportster Roadster Dark Custom weigh?

The 2018 Harley-Davidson Sportster Roadster Dark Custom has a Dry weight of 240.0 kg (529.1 pounds).

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