The Koolux X9 PRO is an e-MTB with a 1498 Wh battery. That is 78% above the median for its class. It is a heavy bike, at 54.5 kg. It suits riders who want long range and do not mind the weight.
This bike has a hub motor and no throttle. It is a fast class e-bike, with assist above 25 km/h. Top speed is 45 km/h. The price is 1392 USD, which is 10% below the median for its type.
What the numbers say
| Spec | This bike | Median for its type |
|---|---|---|
| Battery | 1498 Wh | 840 Wh |
| Weight | 54.5 kg | 34.2 kg |
| Torque | 0 Nm | 80 Nm |
| Estimated range | 82 km | 49 km |
| Price | 1392 USD | 1554 USD |
Questions people ask about the Koolux X9 PRO
How much does it weigh?
The Koolux X9 PRO weighs 54.5 kg. That is 59% above the median for its type. It is a heavy e-bike. You will feel the weight when lifting it or pushing it.
How much torque does it have?
The motor torque is listed as 0 Nm. That is not comparable to the class median of 80 Nm. The motor type is hub. Torque figures are often not published for hub motors.
What speed class is it?
It is a fast class e-bike. Assist goes above 25 km/h. Top speed is 45 km/h. Check local rules for fast class e-bikes.
How far does it really go?
The manufacturer claims 90 km. The MathBikes estimated range is 82 km. That estimate is 9% below the claim. The estimate comes from a formula, not a test. You can adjust assumptions with the range calculator.
What does it cost to run?
The price is 1392 USD. Running costs depend on electricity and maintenance. Use the cost calculator to see estimates. The warranty is not listed.
Where it falls short
The Koolux X9 PRO is very heavy. At 54.5 kg, it is 59% above the median. That weight makes it hard to transport or carry upstairs. It also has no throttle and no step-through frame.
Who should buy it
This bike suits riders who prioritize range above all. It also fits those who ride on flat terrain and do not need to lift the bike. If you want a light e-MTB, look elsewhere.
- Riders who need to cover long distances on a single charge.
- Riders who do not need to carry the bike up stairs or load it on a car rack.
- Riders who want a fast class e-bike with a top speed of 45 km/h.
If you need a lighter bike, consider models closer to the 34.2 kg median. If you want a throttle or a step-through frame, this bike does not offer them. The Koolux X9 PRO is a niche choice for long-range, flat-riding enthusiasts.
