Zweirad-Union 159 TS vs Aprilia RS 50 (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Zweirad-Union 159 TSstacks up against the Aprilia RS 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecZweirad-Union 159 TSAprilia RS 50
Model year19682021
Price
Engine49 cc50 cc
Horsepower5 hp
Seat height32 mm
Fuel capacity3.8 L
Fuel typepetrolpetrol
Transmission6-speed
Front brakesExpanding brake (drum brake)Single disc. Radial caliper with two 28 mm opposed pistons
Rear brakesExpanding brake (drum brake)Single disc. Single piston calliper
Tires2.75-21 / 2.75-21 100/80-17 / 130/70-17

Zweirad-Union 159 TS vs Aprilia RS 50 — which should you buy?

Picking between the Zweirad-Union 159 TS and the Aprilia RS 50 usually comes down to the numbers you care about most. On paper, the Zweirad-Union 159 TS brings 5 hp, while the Aprilia RS 50 counters with its own power figure.

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: