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Cruisers

2015Ultra Ground Pounder ST

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The 2015 Ultra Groundpounder ST is a custom cruiser built for riders seeking classic American styling with modern performance. Its extended geometry, featuring downtube stretch and aggressive rake, delivers that signature low-slung stance while the polished S&S engine provides substantial power. Known for its minimalist solo seat design and striking 10-spoke wheels, it exemplifies aggressive ground-hugging cruiser character.

Capacity
1573.3 ccm
Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
Not on record
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Seat height
660 mm
Power
130.1 HP (95.7 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2015 Ultra Ground Pounder ST

vs the 2014
Spec20142015
Seat height 610 mm (24.0 inches) 660 mm (26.0 inches)
Front brakes Single disc. Performance Machines Calliper Single disc. Ultra callipers
Rear brakes Single disc. Performance Machines Calliper Single disc. Ultra calliper
Other years 2009 2010 2011 2012 2013 2014 2015

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 45Agility 25Comfort 55Off-road 5Touring 35Road manners 60
Off-road & trail5%
Cornering20%
City riding25%
Daily riding35%
Touring35%
Two-up10%
Track5%
Best for
Built as a show-and-go boulevard cruiser and statement custom, it's meant for style-focused cruising rather than performance riding or long-distance touring.
Built for
With a polished S&S big-inch V-twin, carbureted fuel delivery, and a color-matched stretched frame with flame paint, this bike is all about old-school custom attitude and visual presence.
Not ideal for
This is not the bike for riders wanting agile cornering, off-road capability, passenger comfort, or a practical daily or long-haul touring companion.

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 660mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2015 Ultra Ground Pounder ST, with a cramped knee angle of around 80 degrees and a slightly forward 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 750 mm or under — Short Kings →

Find bikes that fit your height →

Full specifications

Engine
Capacity
1573.3 ccm
Power
130.1 HP (95.7 kW)
Engine type
V-Twin, four-stroke
Cooling system
Air
Fuel system
Carburettor
Starting
Electric
Ignition
Spyke Ignition System
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Belt
Dimensions & weight
Wheelbase
2489 mm
Seat height
660 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Powder Coated Color Matched Frame.
Rake (fork angle)
38.0°
Brakes & wheels
Front brakes
Single disc. Ultra callipers
Rear brakes
Single disc. Ultra calliper
Front tyre
120-21
Rear tyre
330-18
Other
Color options
Orange with flames
Comments
Standard downtube. 2 inch backbone. 2 inch downtube stretch.

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

What changed, year to year

Differences highlighted
Specification 20092011201220142015
Capacity 1573 cc 1573 cc 1573 cc 1573 cc 1573 cc
Seat height 610 mm 610 mm 610 mm 610 mm 660 mm

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Ultra Ground Pounder ST?

The 2015 Ultra Ground Pounder ST has a Capacity of 1573.3 ccm (96.01 cubic inches).

What engine power does the Ultra Ground Pounder ST have?

The 2015 Ultra Ground Pounder ST has a Power of 130.1 HP (95.7 kW).

How many gears does the Ultra Ground Pounder ST have?

The 2015 Ultra Ground Pounder ST has a Gearbox of 6-speed.

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