| MODEL | GASGAS TRIALGP 125 2020 |
| Year | 2020 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 124.8 cc / 7.62 cu in |
| Bore X Stroke | 54.0 x 54.5 mm / 2.1 x 2.1 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | CDI digital magnetic flywheel |
| Induction | Carburettor, Dell'Orto PHBL 26BS, reed-valve intake |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | 2.5% mixture |
| Gear Box | 6-speed |
| Clutch | GG 1/3 hydraulic diaphragm system |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Chrome-molybdenum tubular frame |
| Front Suspension | TECH fork, 39 mm aluminium bar; 167 mm / 6.6 in travel |
| Rear Suspension | Ohlins hydraulic mono shock, 2-way damping, adjustable rebound and spring preload; 174 mm / 6.9 in travel |
| Front Brakes | Single 185 mm / 7.3 in disc, 4-piston caliper |
| Rear Brakes | Single 150 mm / 5.9 in disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2010 mm / 79.1 in |
| Overall Width | 825 mm / 32.5 in |
| Overall Height | 1130 mm / 44.5 in |
| Seat Height | 630 mm / 24.8 in |
| Wheelbase | 1320 mm / 52.0 in |
| Ground Clearance | — |
| Dry Weight | 66.5 kg / 146.6 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.00-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 2.5 Litres / 0.66 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2020 TrialGP 125 is the small-capacity competition trials bike in the range, built in Spain with an Ohlins rear shock and a TECH aluminium-bar fork. It is the lightest of the TrialGP models.
