The DYU A1F is a folding e-bike that costs 599 USD. That price is 40% below the median for its type. It is one of the cheapest bikes in our database. But the low price comes with low specifications.
This bike suits short trips on flat ground. It has a 270 Wh battery and a 15 Nm motor. You get a top speed of 24 km/h. If you need a light commute or a quick errand runner, it might work.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 270 Wh | 691 Wh |
| Weight | 25.9 kg | 26.3 kg |
| Torque | 15 Nm | 40 Nm |
| Estimated range | 20 km | 49 km |
| Price | 599 USD | 999 USD |
Questions people ask about the DYU A1F
How much does it weigh?
The DYU A1F weighs 25.9 kg. That is 2% below the median for folding e-bikes. It is not the lightest, but it is close to average. You can fold it, but carrying it upstairs will still be a workout.
How much torque does it have?
The motor delivers 15 Nm of torque. That is 62% below the median of 40 Nm. Low torque means slower acceleration and less help on hills. It is fine for flat, gentle rides.
What speed class is it?
It is a standard pedelec class. The top speed is 24 km/h. That means the motor assists only while you pedal. There is no throttle on this bike.
How far does it really go?
The manufacturer claims 40 km. Our estimate is 20 km, with a band of 17 to 22 km. That is 50% below the claim. The estimate comes from a formula, not a test. You can adjust the assumptions with the range calculator.
What does it cost to run?
The purchase price is 599 USD. Running costs depend on electricity and maintenance. The battery is small, so charging is cheap. Use the cost calculator to see yearly costs. The warranty is not listed.
Where it falls short
The DYU A1F makes clear trade-offs to hit its price. The battery is 61% below the class median. The motor torque is 62% below. The estimated range is 59% below the median. You cannot expect long rides or steep hills.
Who should buy it
The DYU A1F fits a specific rider. You want an inexpensive folding bike for short distances. You do not need high power or long range. You are okay with a basic ride.
- You ride less than 15 km per trip on flat roads.
- You need a foldable bike for mixed commuting.
- You want the lowest possible entry price.
Look elsewhere if you need hill climbing or long range. The median folding e-bike offers 49 km estimated range. This bike gives you less than half of that. Spend more if you can.
