The GUNAI GN27 is an electric mountain bike equipped with a brushless 750W motor and a 48V 10.4Ah battery, offering a range of up to 70 km in pedal-assist mode.
With a torque of 50 Nm, a maximum speed of 35 km/h and 27.5x1.95 inch tyres, this e-MTB is designed to tackle climbs and varied terrain with power and stability.
Its LCD display, Shimano 7-speed system and disc brakes make it an ideal companion for mountain adventures.
The GUNAI GN27 is an e-MTB designed for mountain enthusiasts and thrill-seekers. Equipped with a brushless 750W motor delivering 50 Nm of torque, it can climb slopes up to 30° with ease, whilst reaching a maximum speed of 35 km/h.
Its 48V 10.4Ah (500 Wh) removable and waterproof battery (IP54) offers a theoretical range of 70 km in pedal-assist mode, and up to 40 km in full electric mode. Charging time is 4 to 6 hours with the included 54.6V 2A charger.
This model is particularly suitable for:
The GN27 stands out with its 750W motor and torque sensor, which provide responsive and natural assistance. The motor adapts to the rider's effort, delivering smooth and powerful riding, even on the steepest climbs.
In real-world conditions, range depends on:
✔ Brushless 750W motor with 50 Nm torque for optimal climbing power
✔ 48V 10.4Ah (500 Wh) removable and waterproof battery (IP54)
✔ High-strength steel frame and aluminium fork for increased durability
✔ Digital LCD display for real-time monitoring (speed, range, assistance level)
✔ Shimano 7-speed transmission for optimal adaptability
✔ Front and rear disc brakes for secure braking
✔ 27.5x1.95 inch tyres for good grip and stability
✔ Front spring suspension for enhanced comfort on rough terrain
✔ Height-adjustable saddle (80-100 cm) to suit all body types
❌ Maximum speed of 35 km/h not compliant with EU regulations for public road use (Off-road homologation)
❌ Weight of 26 kg, impractical for manual transport
❌ Limited range in 100% electric mode (40 km)
❌ No rear suspension (front spring fork only)
The GUNAI GN27 positions itself as a high-performing and affordable e-MTB, ideal for cyclists seeking good value for money on mountain outings. It offers features comparable to more expensive models from brands like Haibike or Cube, but at a more accessible price (€898).
Its 750W motor and 50 Nm torque make it suited for climbs, while its 500 Wh battery provides decent range for medium-length rides. However, its 35 km/h top speed and lack of rear suspension make it less suitable for urban or road use in Europe.
Warning: This bike is not approved for public road use in Europe due to its maximum speed of 35 km/h. It is reserved for off-road use or private property.
✔ You are looking for a powerful e-MTB for mountains at an affordable price
✔ You want a bike capable of climbing steep slopes (up to 30°)
✔ You appreciate the comfort of a robust frame and aluminium fork
✔ You mainly ride on trails or off-road
✔ You are seeking a bike with excellent value for money
❌ You want a bike approved for road use in Europe
❌ You are looking for a lightweight bike easy to transport
❌ You mainly ride in town or on cycle paths
❌ You prefer a bike with full suspension (front + rear)
❌ You need a range exceeding 70 km
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