Trials Bikes
2025Vertigo Nitro Works 225
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The 2025 Vertigo Nitro Works 225 is a lightweight trial bike engineered for competitive and amateur riders seeking precision handling on technical terrain. Its fuel-injected two-stroke engine and advanced Tech Factory suspension deliver responsive performance and control. Known for its nimble agility and robust steel frame, this model excels in obstacle navigation and tight maneuvering.
- Capacity
- 225.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 4-speed
- Dry weight
- 68.0 kg
- Seat height
- 680 mm
- Power
- 17.6 HP (12.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed purely for technical trials competition and obstacle-based off-road riding, not for speed, commuting, or long-distance travel.
- Built for
- A featherweight, high-revving two-stroke trials tool that rewards precise clutch and throttle control with exceptional low-speed balance and obstacle-clearing agility.
- Not ideal for
- Not suitable for riders wanting highway capability, passenger carrying, touring comfort, or a bike with a conventional seat for long periods.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 225.0 ccm
- Power
- 17.6 HP (12.9 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2588 HP/kg (dry)
- Bore x stroke
- 72.5 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
- Monoshock / swingarm, Vertigo design. Old school linkage
- 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 | 225 cc | 225 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 Works 225?
The 2025 Vertigo Nitro Works 225 has a Capacity of 225.0 ccm (13.73 cubic inches).
What engine power does the Vertigo Nitro Works 225 have?
The 2025 Vertigo Nitro Works 225 has a Power of 17.6 HP (12.9 kW).
How many gears does the Vertigo Nitro Works 225 have?
The 2025 Vertigo Nitro Works 225 has a Gearbox of 4-speed.
How much does the Vertigo Nitro Works 225 weigh?
The 2025 Vertigo Nitro Works 225 has a Dry weight of 68.0 kg (149.9 pounds).
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