The AAIRSK S800 is a city e-bike that stands out for its low price. At 809 USD, it is 38% below the median price for its type. That makes it one of the more affordable options in the MathBikes database.
This bike suits riders who want a basic, no-frills commuter. It has a hub motor and a 468 Wh battery. The manufacturer claims a range of 69 km, but our estimate is 34 km. You get a standard pedelec with a top speed of 25 km/h.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 468 Wh | 624 Wh |
| Weight | 28.6 kg | 26.8 kg |
| Torque | 0 Nm | 45 Nm |
| Estimated range | 34 km | 45 km |
| Price | 809 USD | 1299 USD |
Questions people ask about the AAIRSK S800
How much does it weigh?
The AAIRSK S800 weighs 28.6 kg. That is 7% above the median weight for city e-bikes, which is 26.8 kg. It is not a lightweight bike, so you will feel it if you need to carry it up stairs.
How much torque does it have?
The motor torque is listed as 0 Nm. That figure is not comparable to other bikes, which typically have torque ratings between 30 and 80 Nm. MathBikes does not publish a torque estimate for this model.
What speed class is it?
The AAIRSK S800 is a standard pedelec class. It has a top speed of 25 km/h. It has no throttle, so you must pedal to get assistance.
How far does it really go?
The manufacturer claims a range of 69 km. MathBikes estimates the range at 34 km, with a band of 30 to 38 km. That estimate is 51% below the claim. The estimate comes from a formula, not a test ride. You can see how it works with the range calculator.
What does it cost to run?
The purchase price is 809 USD, which is low for its class. Running costs depend on electricity and maintenance. Use the cost calculator to compare long-term costs. The warranty is not listed, so factor that into your decision.
Where it falls short
The AAIRSK S800 makes a clear trade-off: it saves you money upfront, but you give up performance. The battery is 25% below the class median, and the estimated range is 24% below. The motor torque is not published, which makes it hard to judge hill-climbing ability.
Who should buy it
The AAIRSK S800 is for riders who prioritize low cost over range and features. It is a simple city bike for short trips. If you ride less than 30 km a day and have a place to charge, it could work.
- You want an affordable e-bike for short commutes under 30 km.
- You do not need a throttle or a step-through frame.
- You are comfortable with a heavier bike that has no published torque.
Look elsewhere if you need a long range or plan to carry heavy loads. This bike has a max payload of 150 kg, but it is not cargo capable. Riders who want a warranty should also consider other options.
