Gilera Runner 50 Black Soul vs AJS Firefox 50 (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Gilera Runner 50 Black Soulstacks up against the AJS Firefox 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecGilera Runner 50 Black SoulAJS Firefox 50
Model year20212020
Price
Engine49 cc49 cc
Horsepower5 hp3 hp
Torque5 Nm
Seat height32 mm33 mm
Fuel capacity1.9 L1.7 L
Fuel typepetrolpetrol
Transmission6-speedAutomatic
Front brakesSingle disc. Floating calliperSingle disc
Rear brakesSingle discExpanding brake (drum brake)
Tires120/70-14 / 140/60-13 120/70-12 / 120/70-12

Gilera Runner 50 Black Soul vs AJS Firefox 50 — which should you buy?

Picking between the Gilera Runner 50 Black Soul and the AJS Firefox 50 usually comes down to the numbers you care about most. On paper, the Gilera Runner 50 Black Soul brings 5 hp, while the AJS Firefox 50 counters with 3 hp.

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: