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
| Spec | Zweirad-Union 159 TS | Aprilia RS 50 |
|---|---|---|
| Model year | 1968 | 2021 |
| Price | — | — |
| Engine | 49 cc | 50 cc |
| Horsepower | 5 hp | — |
| Seat height | — | 32 mm |
| Fuel capacity | — | 3.8 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | Expanding brake (drum brake) | Single disc. Radial caliper with two 28 mm opposed pistons |
| Rear brakes | Expanding brake (drum brake) | Single disc. Single piston calliper |
| Tires | 2.75-21 / 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:

