Trials Bikes
2025Vertigo Nitro 125 Works
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The 2025 Vertigo Nitro 125 Works is a lightweight trial motorcycle engineered for beginners and intermediate riders seeking precision handling on technical terrain. Its compact 125cc two-stroke engine delivers responsive power with fuel injection efficiency, while the rigid steel frame and advanced suspension geometry provide the stability and feedback essential for mastering trial skills. Built for competition and training environments, this model excels in rocky, steep, and obstacle-laden courses.
- Capacity
- 125.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 4-speed
- Dry weight
- 68.0 kg
- Seat height
- 680 mm
- Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for technical trial competition and obstacle work, prioritizing extreme agility and control over any road-going capability.
- Built for
- A featherweight, razor-responsive two-stroke trial bike that rewards precise clutch and throttle control on rocks, logs, and steep technical terrain.
- Not ideal for
- This is not suitable for anyone wanting a comfortable commuter, a highway tourer, or a bike capable of carrying a passenger or luggage.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 125.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2206 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.5 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
Transmission
- Gearbox
- 4-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multi-disc oil wet, adjustable preload
Dimensions & weight
- Wheelbase
- 1310 mm
- Overall length
- 2010 mm
- Seat height
- 680 mm
- Dry weight
- 68.0 kg
- Fuel capacity
- 2.30 litres
Chassis & suspension
- Frame
- 25CrMo4 steel , aluminium 6082 subframe
- Front suspension
- Tech Factory
- Rear suspension
- Black swingarm combined with REIGER 2 way monoshock with compression, rebound and spring preload adjustment
- Front wheel travel
- 170 mm
- Rear wheel travel
- 170 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic Braktec, 4-piston caliper
- Rear brakes
- Single disc. 2-piston caliper
- Front tyre
- 1.60-21
- Rear tyre
- 2.15-18
Other
- Color options
- Green/black
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 | 2025 | 2026 |
|---|---|---|
| Capacity | 125 cc | 125 cc |
| Dry weight | 68 kg | 68 kg |
| Seat height | 680 mm | 680 mm |
| Fuel capacity | 2.3 L | 2.3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Vertigo Nitro 125 Works?
The 2025 Vertigo Nitro 125 Works has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Vertigo Nitro 125 Works have?
The 2025 Vertigo Nitro 125 Works has a Power of 15.0 HP (11.0 kW).
How many gears does the Vertigo Nitro 125 Works have?
The 2025 Vertigo Nitro 125 Works has a Gearbox of 4-speed.
How much does the Vertigo Nitro 125 Works weigh?
The 2025 Vertigo Nitro 125 Works has a Dry weight of 68.0 kg (149.9 pounds).
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