The Cyrusher Flex is a mountain e-bike with a 720 Wh battery and a hub motor. It weighs 30.8 kg, which is 10% below the median for its type. That makes it one of the lighter e-MTBs in the database.

It is a standard pedelec, so it assists up to 25 km/h. You pedal to get power; there is no throttle. The frame is not step-through and it does not fold. It suits riders who want a capable off-road bike without the heaviest frame.

What the numbers say

Figures are published specifications or MathBikes estimates. They are not measurements.
SpecThis bikeMedian for its type
Battery720 Wh840 Wh
Weight30.8 kg34.2 kg
TorqueNot listed80 Nm
Estimated range41 km49 km
Price1770 USD1554 USD

Questions people ask about the Cyrusher Flex

How much does it weigh?

The Flex weighs 30.8 kg. That is 10% below the median weight for e-MTBs, which is 34.2 kg. You will still notice the weight when lifting it, but it is on the lighter side for its class.

How much torque does it have?

Cyrusher does not publish a torque figure for the Flex. The median torque for e-MTBs is 80 Nm, but you cannot compare this bike without a number. If torque matters to you, check the spec sheet before buying.

What speed class is it?

It is a standard pedelec class. That means the motor assists only when you pedal, and it stops assisting at 25 km/h. There is no throttle, so you cannot use the motor without pedaling.

How far does it really go?

Cyrusher claims a range of 95 km. MathBikes estimates 41 km, with a band of 36 to 46 km. That estimate is 57% below the claim. The estimate comes from a formula using a reference ride, not a test. You can adjust the assumptions with the range calculator.

What does it cost to run?

The purchase price is 1770 USD. That is 14% above the median price for e-MTBs, which is 1554 USD. Running costs depend on electricity, maintenance, and parts. Use the cost calculator to see long-term expenses.

Where it falls short

The Flex has a smaller battery than most e-MTBs. Its 720 Wh battery is 14% below the class median of 840 Wh. That directly affects range. The estimated range is 41 km, which is 16% below the class median of 49 km.

Who should buy it

The Flex fits riders who prioritize a lighter frame over maximum range. It also suits those who want a standard pedelec without a throttle. If you ride mostly shorter trails, the range may be enough.

  • You want an e-MTB that is easier to lift or maneuver than heavier models.
  • You ride trips under 36 km and can charge at home or work.
  • You prefer a simple pedelec with no throttle to manage.

Look elsewhere if you need long range or high torque. The Flex's estimated range is 41 km, and its torque is not published. Riders who carry heavy loads should also note the max payload is 159 kg, which is fine for most, but check your own weight plus gear.