Hyosung SF 50B vs Derbi GP1 50 Racing (2009)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Hyosung SF 50Bstacks up against the Derbi GP1 50 Racing. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHyosung SF 50BDerbi GP1 50 Racing
Model year20092009
Price
Engine49 cc49 cc
Weight103 kg
Seat height33 mm
Fuel capacity1.1 L2.1 L
Fuel typepetrolpetrol
TransmissionAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Single disc
Tires120/90-10 / 130/90-10 120/70-14 / 140/60-14

Hyosung SF 50B vs Derbi GP1 50 Racing — which should you buy?

Picking between the Hyosung SF 50B and the Derbi GP1 50 Racing usually comes down to the numbers you care about most. On paper, the Hyosung SF 50B brings its published horsepower, while the Derbi GP1 50 Racing counters with its own power figure at 103 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: