The Ridstar MN20 is a folding e-bike with a 90 Nm hub motor. That torque is 125% above the median for its class. It also costs 699 USD, which is 30% below the median price of 999 USD. This bike offers strong pulling power at a low price.
It has a 720 Wh battery, which is 4% above the class median of 691 Wh. The bike weighs 22.7 kg, which is 14% lighter than the median of 26.3 kg. It is a fast-class e-bike, with assist above 25 km/h. The MN20 suits riders who want a powerful, affordable folding bike.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 720 Wh | 691 Wh |
| Weight | 22.7 kg | 26.3 kg |
| Torque | 90 Nm | 40 Nm |
| Estimated range | 53 km | 49 km |
| Price | 699 USD | 999 USD |
Questions people ask about the Ridstar MN20
How much does it weigh?
The MN20 weighs 22.7 kg. That is 14% below the median weight for folding e-bikes. It is a relatively light folding bike, which helps when carrying or storing it.
How much torque does it have?
The motor delivers 90 Nm of torque. That is 125% above the median of 40 Nm for its class. This is a high-torque hub motor, useful for hills and heavy loads.
What speed class is it?
The MN20 is a fast-class e-bike. It provides assist above 25 km/h. Its top speed is 48 km/h. Check local rules for fast e-bikes.
How far does it really go?
The manufacturer claims a range of 80 km. MathBikes estimates the range at 53 km, with a band of 46 to 59 km. That estimate is 34% below the claim. The estimate comes from a formula, not a test. Use the range calculator to adjust for your own riding.
What does it cost to run?
The purchase price is 699 USD. Running costs depend on electricity and maintenance. The warranty is not listed, so budget for potential repairs. Use the cost calculator to compare long-term costs.
Where it falls short
The MN20 has no throttle and no step-through frame. It is not cargo capable. The estimated range is 34% below the manufacturer's claim. That gap is significant, so plan rides around the lower figure.
Who should buy it
The Ridstar MN20 fits riders who want a folding bike with strong torque at a low price. It is lighter than most of its class, which helps in daily handling. But it is not for everyone.
- Buy it if you need a powerful folding bike for hilly commutes.
- Buy it if you want a budget e-bike with a large battery.
- Buy it if you value low weight for carrying up stairs.
Look elsewhere if you need a throttle or a step-through frame. Also consider other bikes if you need a longer real-world range. The MN20 is a solid choice, but it has clear limits.
