AJS Exactly 50 vs Docker Alpha S50 (2023)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the AJS Exactly 50stacks up against the Docker Alpha S50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecAJS Exactly 50Docker Alpha S50
Model year20112023
Price
Engine40 cc48 cc
Horsepower3 hp3 hp
Weight87 kg
Seat height31 mm
Fuel capacity1.2 L1.0 L
Fuel typepetrolpetrol
TransmissionAutomatic4-speed
Front brakesSingle discExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires120/70-12 / 130/70-12 2.50-17 / 2.75-17

AJS Exactly 50 vs Docker Alpha S50 — which should you buy?

Picking between the AJS Exactly 50 and the Docker Alpha S50 usually comes down to the numbers you care about most. On paper, the AJS Exactly 50 brings 3 hp in a 87 kg package, while the Docker Alpha S50 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: