Trials Bikes
2024TRS One RR 125
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The 2024 TRS One RR 125 is a competition trials bike from the Spanish brand TRS, also sold as the TRRS One RR. Its liquid-cooled 124cc two-stroke single makes 15 hp through a five-speed gearbox and chain. A very low 640 mm seat, 66 kg dry weight and 2.3-litre tank suit slow, technical riding.
- Capacity
- 124.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 66.0 kg
- Seat height
- 640 mm
- Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built exclusively for technical trial competition and obstacle-based off-road riding rather than any form of road use, speed, or distance travel.
- Built for
- A precise, feather-light, high-revving two-stroke tool designed for delicate throttle control, hopping over obstacles, and momentum-based technical maneuvers.
- Not ideal for
- This is not suitable for riders wanting highway travel, passenger carrying, everyday commuting, or any kind of touring comfort.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2273 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.6 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- HIDRIA double spark ignition CDI
- Lubrication system
- 1.5% oil mixture
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- 3-disc system
Dimensions & weight
- Overall length
- 2015 mm
- Overall width
- 830 mm
- Overall height
- 1125 mm
- Seat height
- 640 mm
- Dry weight
- 66.0 kg
- Fuel capacity
- 2.30 litres
- Oil capacity
- 0.40 litres
Chassis & suspension
- Frame
- Double cradle, aluminium
- Front suspension
- TECH with aluminium bar Ø 39
- Rear suspension
- Reiger adjustable monoshock
- Front wheel travel
- 175 mm
- Rear wheel travel
- 168 mm
Brakes & wheels
- Front brakes
- Single disc. 4-piston caliper
- Front brakes diameter
- 185 mm
- Rear brakes
- Single disc
- Front tyre
- 2.75-21
- Rear tyre
- 4.00-18
Other
- Color options
- Red/yellow/white/black
- Comments
- Spanish brand. Alos Called 2022 TRRS ONE RR.
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 | 2021 | 2022 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc | 124 cc | 124 cc |
| Dry weight | 65 kg | 66 kg | 66 kg | 66 kg | 66 kg |
| Seat height | 640 mm | 640 mm | 640 mm | 640 mm | 640 mm |
| Fuel capacity | 2.3 L | 2.3 L | 2.3 L | 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 TRS One RR 125?
The 2024 TRS One RR 125 has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the TRS One RR 125 have?
The 2024 TRS One RR 125 has a Power of 15.0 HP (11.0 kW).
How many gears does the TRS One RR 125 have?
The 2024 TRS One RR 125 has a Gearbox of 5-speed.
How much does the TRS One RR 125 weigh?
The 2024 TRS One RR 125 has a Dry weight of 66.0 kg (145.5 pounds).
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