Pro-One Hyper 4 Pro-Quad Chopper - Specifications & Review

Hyper 4 Pro-Quad Chopper

Article Complete Info

Articleid473590
CategoryCustom-cruiser
MakePro-One
ModelHyper 4 Pro-Quad Chopper
Year2008

Chassis, Suspension, Brakes & Wheels

FrontbrakesSingle disc
Frontbrakesdiameter292 mm (11.5 inches)
FrontsuspensionHard-chrome fork tubes
Rake40.0°
RearbrakesSingle disc
Rearbrakesdiameter292 mm (11.5 inches)
RearsuspensionDual adjustable shock

Engine & Transmission

Compression8.2:1
Displacement1982.96 ccm (121.00 cubic inches)
EnginedetailsV2, four-stroke
ExhaustsystemChrome exhaust with heat shields
FuelsystemCarburettor. 45mm Mikuni
Gearbox6-speed
IgnitionCrank-triggered electronic ignition
Power100.00 HP (73.0 kW)) @ 5300 RPM
Torque121.20 Nm (12.4 kgf-m or 89.4 ft.lbs) @ 4200 RPM
TransmissiontypefinaldriveBelt

Other Specifications

ColoroptionsRed
StarterElectric

Physical Measures & Capacities

Dryweight310.3 kg (684.0 pounds)
Fuelcapacity15.14 litres (4.00 gallons)
Groundclearance121 mm (4.8 inches)
Overalllength2,743 mm (108.0 inches)
Powerweightratio0.3223 HP/kg
Seatheight635 mm (25.0 inches) If adjustable, lowest setting.

About Pro-One

Country of Origin: United States
Founder: Pro-One Performance Manufacturing
Best Known For: Billet motorcycle components (triple trees, controls, wheels) and show-quality hardware

Company History

Pro-One earned a reputation in the American V-twin world for precisely machined billet aluminum parts that elevate both appearance and function. Its triple trees, risers, wheels, and forward controls became staples of quality builds because they lined up correctly, resisted corrosion, and came with consistent hardware. As the custom scene matured, Pro-One expanded into lighting housings and integrated controls that cleaned up cable runs and simplified maintenance. The brand’s value was predictability: parts arrived straight, finish matched across batches, and instructions made sense to pros and home builders alike. Historically, Pro-One represents the supplier tier that turned one-off customs into repeatable quality—components that look like jewelry but install like professional kit, helping thousands of garage projects feel factory-solid on the road.

Other Years

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