E-Ton Viper ST. Exl-50 vs Derbi DFW 50 (2010)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the E-Ton Viper ST. Exl-50stacks up against the Derbi DFW 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecE-Ton Viper ST. Exl-50Derbi DFW 50
Model year20102009
Price
Engine49 cc49 cc
Weight152 kg115 kg
Seat height31 mm24 mm
Fuel capacity2.1 L1.3 L
Fuel typepetrolpetrol
TransmissionAutomatic2-speed
Front brakesExpanding brake (drum brake)Expanding brake (drum brake)
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires21/6-10 / 20/10-9 19x7-8 / 19x7-8

E-Ton Viper ST. Exl-50 vs Derbi DFW 50 — which should you buy?

Picking between the E-Ton Viper ST. Exl-50 and the Derbi DFW 50 usually comes down to the numbers you care about most. On paper, the E-Ton Viper ST. Exl-50 brings its published horsepower in a 152 kg package, while the Derbi DFW 50 counters with its own power figure at 115 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: