What category is the 2018 Harley-Davidson Softail Street Bob Dark Custom?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Category of Custom / cruiser.

What type of engine does the 2018 Harley-Davidson Softail Street Bob Dark Custom have?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Engine type of V2, four-stroke.

What is the engine power of the 2018 Harley-Davidson Softail Street Bob Dark Custom?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Power of 86.00 HP (62.8 kW) @ 5020 RPM.

What is the torque of the 2018 Harley-Davidson Softail Street Bob Dark Custom?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Torque of 127.00 Nm (12.9 kgf-m or 93.7 ft.lbs) @ 3250 RPM.

Is the 2018 Harley-Davidson Softail Street Bob Dark Custom air cooled or liquid cooled?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Cooling system of Air.

How many gears does the 2018 Harley-Davidson Softail Street Bob Dark Custom have?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Gearbox of 6-speed.

What is the fuel consumption of the 2018 Harley-Davidson Softail Street Bob Dark Custom?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Fuel consumption of 5.60 litres/100 km (17.9 km/l or 42.00 mpg).

What is the seat height of the 2018 Harley-Davidson Softail Street Bob Dark Custom?

The 2018 Harley-Davidson Softail Street Bob Dark Custom has a Seat height of 680 mm (26.8 inches) If adjustable, lowest setting..

Harley-Davidson Softail Street Bob Dark Custom - 2018 Specifications and Reviews

Name: 2018 Harley-Davidson Softail Street Bob Dark Custom
Brand: Harley-Davidson

The 2018 Harley-Davidson Softail Street Bob Dark Custom is a stripped-down cruiser built for riders seeking authentic, minimalist style with classic Harley character. Its low 680mm seat height, manageable 304kg curb weight, and accessible 48-cubic-inch engine make it ideal for both experienced enthusiasts and newer riders wanting genuine cruiser heritage. Known for its aggressive dark aesthetic and aggressive stance, it delivers a raw, uncompromised riding experience rooted in Harley tradition.

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2018

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General information
Category	Custom / cruiser
Year	2018
Model	Harley-Davidson Softail Street Bob Dark Custom
Engine and Transmission Specifications
Exhaust system	Chrome, staggered, shorty exhaust with dual tapered mufflers
Greenhouse gases	129.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption	5.60 litres/100 km (17.9 km/l or 42.00 mpg)
Driveline	Chain 34/46 ratio primary drive
Clutch	Multi-plate with diaphragm spring in oil bath
Transmission type,final drive	Belt
Gearbox	6-speed
Cooling system	Air
Fuel system	Injection. Electronic Sequential Port Fuel Injection (ESPFI)
Bore x Stroke	98.4 x 111.1 mm (3.9 x 4.4 inches)
Compression	9.6:1
Torque	127.00 Nm (12.9 kgf-m or 93.7 ft.lbs) @ 3250 RPM
Power	86.00 HP (62.8 kW) @ 5020 RPM
Engine details	Twin Cam 103™
Engine type	V2, four-stroke
Brakes, suspension, Frame and wheels
Wheels	Black Steel Laced
Rear brakes	Single disc. Optional ABS. 2-piston
Front brakes	Single disc. Optional ABS. 4-piston
Rear tyre	150/80-B16
Front tyre	100/90-B19
Rear Suspension	Twin shocks
Front Suspension	Telescopic fork
Trail	119 mm (4.7 inches)
Rake (fork angle)	29.0°

Physical measures and capacities
Oil capacity	4.70 litres (0.31 quarts)
Fuel capacity	13.20 litres (3.49 gallons)
Wheelbase	1,630 mm (64.2 inches)
Ground clearance	120 mm (4.7 inches)
Overall length	2,395 mm (94.3 inches)
Seat height	680 mm (26.8 inches) If adjustable, lowest setting.
Power/weight ratio	0.2976 HP/kg
Weight incl. oil, gas, etc	304.0 kg (670.2 pounds)
Dry weight	289.0 kg (637.1 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Light	High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
Instruments	Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
Starter	Electric
Color options	Vivid Black, Black Denim, Olive Gold, Red Iron Denim, Hard Candy Hot Rod Red Flake, Charcoal Denim/Black Denim

Performance Profile & Rider Fit

86 hp

Peak Power

4.8s

0-60 mph

Best For

Track10%

City60%

Cornering35%

Daily Riding60%

Touring35%

Passenger30%

Rider Profile

Best For	Suited to riders with at least some experience handling a heavy, low-slung cruiser, though the low seat height keeps it approachable for less confident riders.
Purpose	Built for laid-back street cruising and boulevard presence rather than speed or long-distance touring.
Rider Fit	The low 680mm seat and relaxed mid-mount footpeg stance suit shorter riders, but the substantial 304kg wet weight demands confidence at parking-lot speeds and stops.
Character	A stripped-down, blacked-out bobber-styled cruiser that trades on attitude, torque-driven low-end pull, and classic V-twin sound over outright performance.
Not Ideal For	Not a good fit for riders wanting sharp cornering agility, off-road capability, or a bike optimized for serious two-up touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 Harley-Davidson Softail Street Bob Dark Custom Rider Ergonomics Assessment

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Feet:

At 680mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Softail Street Bob Dark Custom, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

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MotorcycleDB Review

The 2018 Harley-Davidson Softail Street Bob Dark Custom is a stunning example of classic American motorcycle design. The dark custom style gives this bike a sleek and aggressive look, while the powerful 107 cubic inch Milwaukee-Eight engine delivers a thrilling ride. The minimalist design and blacked-out finish make for a striking appearance on the road, and the comfortable seating position and responsive handling make it a joy to ride. Overall, the 2018 Harley-Davidson Softail Street Bob Dark Custom is a stylish and powerful motorcycle that is sure to turn heads wherever you go. Whether you're a seasoned rider or new to the Harley-Davidson family, this bike offers a thrilling experience that will leave you wanting more. With its combination of classic design, modern performance, and signature Harley-Davidson quality, the Street Bob Dark Custom is a must-have for any motorcycle enthusiast.