Viper Diamondback - 2015 Specifications and Reviews

The 2015 Viper Diamondback is an American-made cruiser built for riders seeking classic styling with modern reliability. Known for its aggressive stance, chrome detailing, and distinctive striped paint schemes, it combines a comfortable 24-inch seat height with responsive handling from its 5-spoke wheels and quality Metzeler tires. Its robust braking system and digital instrumentation make it equally capable for leisurely cruising or spirited riding.

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General information

CategoryCustom / cruiser
Year2015
ModelViper Diamondback

Engine and Transmission Specifications

Exhaust systemTuned 2 into 1
DrivelineBaker Pro 6-Speed Over-Drive
ClutchBaker 9-Plate RSD
Transmission type,final driveBelt
Gearbox6-speed
Cooling systemAir
Lubrication systemDry sump with oil in the frame technology
IgnitionCDI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemCarburettor. Mikuni HSR 45 Flat Slide
Torque215.60 Nm (22.0 kgf-m or 159.0 ft.lbs) @ 3600 RPM
Engine details45 Degree V-Twin
Engine typeV2, four-stroke
Capacity:2490.99 ccm (152.00 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Wheels5-spoke chrome. Metzeler tyres.
Rear brakesSingle disc
Front brakesSingle disc. 4-piston, chromed
Rear tyre260/40-18
Front tyre120/70-21
Rear SuspensionViper Chrome Billet Aluminum Swing Arm with Viper Oil Dampened Adjustable Air-Ride
Front SuspensionMarzocchi Inverted Adjustable Forks
Rake (fork angle)33.0°
 
 

Physical measures and capacities

Oil capacity4.20 litres (0.28 quarts)
Wheelbase1,803 mm (71.0 inches)
Overall length2,413 mm (95.0 inches)
Seat height610 mm (24.0 inches) If adjustable, lowest setting.
Dry weight299.4 kg (660.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsMade in the US.
ElectricalViper Wiring Harness with 40amp. 3 Phase Charging System
InstrumentsMulti-Functional Digital Gauges.
StarterElectric
Color optionsBlack with White Stripes, Viper Blue with White Stripes, Black with Yellow Stripes, Galaxy Gray with Black stripes, Black with Silver Stripes, Black with Orange Stripes, custom colors

Performance Profile & Rider Fit

5s
0-60 mph (est.)

Best For

Track15%
City30%
Cornering25%
Daily Riding40%
Touring45%
Passenger35%

Rider Profile

Best ForThis is a machine best suited to experienced riders who are comfortable handling a long, heavy, custom-styled chopper-style cruiser with a stretched wheelbase and steep 33-degree rake.
PurposeBuilt as a bold American custom cruiser, it's meant for making a statement on boulevards and at bike nights rather than for outright performance or long-distance touring efficiency.
Rider FitThe low 610mm seat height makes it accessible for shorter riders at a stop, but the near-300kg dry weight and extended front end demand strength and confidence at low speeds and when maneuvering.
CharacterTorque-rich 45-degree V-twin with a big-inch feel, chrome-heavy custom styling, an aggressive raked-out stance, and a boutique feel courtesy of the Baker overdrive transmission and premium Marzocchi suspension.
Not Ideal ForThis is not the right choice for riders seeking agile cornering, off-road capability, or a lightweight commuter, as its stretched geometry and heavy mass make tight, technical riding cumbersome.

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

Rider Fit Visualizer

2015 Viper Diamondback Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 610mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2015 Viper Diamondback, with a cramped knee angle of around 70 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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