Thumpstar TSX 50 JR vs Cobra CX50 SR King (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Thumpstar TSX 50 JRstacks up against the Cobra CX50 SR King. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Thumpstar TSX 50 JR | Cobra CX50 SR King |
|---|---|---|
| Model year | 2023 | 2018 |
| Price | — | $4,198 |
| Engine | 50 cc | 50 cc |
| Weight | — | 41 kg |
| Seat height | 24 mm | 27 mm |
| Fuel capacity | 0.3 L | 1.1 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | 1-speed |
| Front brakes | Single disc. 2-piston calipers | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 2.50-10 / 2.5-10 | 60/100-12 / 70/100-10 |
Thumpstar TSX 50 JR vs Cobra CX50 SR King — which should you buy?
Picking between the Thumpstar TSX 50 JR and the Cobra CX50 SR King usually comes down to the numbers you care about most. On paper, the Thumpstar TSX 50 JR brings its published horsepower, while the Cobra CX50 SR King counters with its own power figure at 41 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:

