The Koolux X7 is a folding e-bike with a 1200 Wh battery. That is 79% above the median for its type. It also weighs 43.1 kg, which is 51% above the median. This bike suits riders who want maximum range and are willing to handle a heavy frame.
The X7 has a hub motor and a top speed of 50 km/h. It is a fast class bike, with assist above 25 km/h. The manufacturer claims a range of 100 km. MathBikes estimates 84 km, which is 16% below the claim.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 1200 Wh | 672 Wh |
| Weight | 43.1 kg | 28.6 kg |
| Torque | 0 Nm | 50 Nm |
| Estimated range | 84 km | 48 km |
| Price | 1176 USD | 1068 USD |
Questions people ask about the Koolux X7
How much does it weigh?
The Koolux X7 weighs 43.1 kg. That is heavy for a folding e-bike. The median weight for its type is 28.6 kg. You will feel the difference when lifting or carrying it.
How much torque does it have?
The motor torque is listed as 0 Nm. That figure is not comparable to other bikes. The median torque for its type is 50 Nm. The X7's torque is not published in a useful way.
What speed class is it?
The X7 is a fast class e-bike. It provides assist above 25 km/h. Its top speed is 50 km/h. You should check local rules for fast e-bikes.
How far does it really go?
The manufacturer claims a range of 100 km. MathBikes estimates 84 km, based on a reference ride. The estimate is 16% below the claim. Use the range calculator to see how different conditions affect range.
What does it cost to run?
The price is 1176 USD, which is 10% above the median for its type. Running costs depend on electricity and maintenance. The battery is large, so charging may cost more than smaller batteries. Use the cost calculator to estimate yearly costs.
Where it falls short
The X7's main drawback is its weight. At 43.1 kg, it is 51% heavier than the median folding e-bike. That makes it hard to carry upstairs or onto a train. The lack of a throttle and step-through frame may also limit some riders.
Who should buy it
The X7 is for riders who prioritize range above all else. Its estimated range of 84 km is 75% above the median. It is also for those who ride mostly on flat terrain, since torque is not listed.
- You want a long-distance commuter with a 1200 Wh battery.
- You ride on flat routes and do not need high torque.
- You have a place to store a heavy bike and do not need to carry it.
Look elsewhere if you need a light folding bike. The X7 is not for you if you must lift it regularly. Also, if you need a throttle or a step-through frame, this bike does not offer them.
