Tralla 101 - is the first model produced by the company Bultaco. It was sold very well, despite the fact that it was the most expensive among the 125 cc motorcycles. Bultaco Tralla 101 was equipped with a 125 cc two-stroke engine. Sport notes such as semi-sport handles were observed in the motorcycle mode.

Series - 000.001 - 003.954
Years of production - 1959 - 1963
Engine capacity - 124.98 cc
Bore x stroke - 51.5 x 60 mm
Compression ratio -11.5: 1
Power - 12.5 hp at 6500 rev / min
Transmission - 4-speed
Front suspension - Hydraulic telescopic plug
Rear suspension - without springs telescopic shock absorbers
Tyres front -Pirelli 2,50 x 19 "
Rear tires - Pirelli 2,75 x 19 "
Front Brake - Drum 160 x 35 mm
Rear brakes - Drum 140 x 40 mm
Dry weight - 88 kg
Tank Capacity - 15 liters