17 May. Sunday 2026
One RR 125 - 2025 Specifications and Reviews
The 2025 TRS One RR 125 is a lightweight trial motorcycle engineered for competitive riders and enthusiasts seeking precision handling and technical performance. Its liquid-cooled two-stroke engine and advanced suspension geometry deliver excellent maneuverability through challenging terrain. Known for responsive power delivery and durable construction, it excels in trial competitions and demanding off-road conditions.
2025
General information | |
| Color Options | Red/yellow/white/black |
| Category | Trial |
| Model | TRS One RR 125 |
Engine and Transmission Specifications | |
| Starting | Electric & kick |
| Clutch | 3-disc system |
| Final Drive | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling System | Liquid |
| Ignition | HIDRIA double spark ignition CDI |
| Induction | Carburettor. Keihin PWK 28 |
| Bore x Stroke | 54.0 x 54.6 mm (2.1 x 2.1 inches) |
| Capacity | 124.0 ccm (7.57 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 2.30 litres (0.61 US gallons) |
| Overall Width | 830 mm (32.7 inches) |
| Overall Length | 2015 mm (79.3 inches) |
| Overall Height | 1125 mm (44.3 inches) |
| Seat Height | 640 mm (25.2 inches) If adjustable, lowest setting. |
| Dry Weight | 66.0 kg (145.5 pounds) |
| | |
One RR 125 dimensions and frame | |
| Wheels | Morad aluminium. Michelin X11 tires. |
| Rear Brakes | Single disc |
| Brake Disc Diameter | 150 mm (5.9 inches) |
| Front Brakes | Single disc. 4-piston caliper |
| Rear Tyre | 4.00-18 |
| Front Tyre | 2.75-21 |
| Rear Wheel Travel | 168 mm (6.6 inches) |
| Rear Suspension | Reiger adjustable monoshock |
| Front Wheel Travel | 175 mm (6.9 inches) |
| Front Suspension | TECH with aluminium bar Ø 39 |
| Frame | Double cradle, aluminium |
| | |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 TRS One RR 125 discussion group or the general TRS discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Comments | Spanish brand. |
| Oil capacity | 0.40 litres (0.42 US quarts) |
| Lubrication system | 1.5% oil mixture |
| Engine type | Single cylinder, two-stroke |
| Year | 2025 |
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