GUNAI GN29 Electric Mountain Bike 750W – Review and Comparison

The GUNAI GN29 is a 29-inch electric mountain bike powered by a 750W brushless motor. With its 48V 15Ah lithium-ion battery, Shimano 21-speed transmission and front suspension fork, it's designed to deliver smooth, powerful riding on all terrain types, from forest trails to more technical tracks.

Who is this bike for?

This model is particularly suited for:

• Riders seeking a powerful electric mountain bike at a competitive price (998 €)
• Cyclists practising off-road riding, trail cycling and outdoor excursions
• People wanting large 29-inch wheels for speed and obstacle absorption
• Beginner and intermediate users wanting a reliable bike with complete equipment

Performance and range

The GUNAI GN29 features a 750W brushless motor capable of reaching a maximum speed of 50 km/h, ideal for dynamic off-road riding. The 48V 15Ah lithium-ion battery (720 Wh) delivers a claimed range of around 50 km in full-power mode, with a full recharge in 6 to 7 hours.

• Range in full-power mode: approximately 50 km
• Maximum speed: 50 km/h
• Full recharge: 6 to 7 hours

Actual range varies depending on:

• Rider weight and load
• Assistance mode used
• Terrain (flat, uphill, technical trails)
• Weather conditions and tyre pressure

Strengths

✔ 750W brushless motor for generous off-road power
✔ Large 29-inch wheels for speed and easy obstacle clearance
✔ Smooth and precise Shimano 21-speed transmission
✔ Removable 48V 15Ah battery (720 Wh) with security lock
✔ Multiple battery protections (overcharge, over-discharge, overvoltage, temperature)
✔ Front suspension fork to absorb impacts
✔ Disc brakes for reliable stopping power in all conditions
✔ Competitive price for the equipment level offered (998 €)

Weaknesses

❌ 750W power: not approved for European public roads (Off-road only)
❌ Weight not disclosed by manufacturer
❌ Maximum payload not specified in technical sheet
❌ Assistance sensor not specified (cadence or torque unknown)
❌ Relatively unknown brand in Europe with limited after-sales support network

Comparison and positioning

The GUNAI GN29 is positioned in the entry-to-mid-range electric mountain bike segment around 1,000 €. It offers an interesting combination: 750W motor, large 29-inch wheels and Shimano 21-speed transmission at an affordable price. This is excellent value for off-road riders who don't require road approval.

Against similar-priced models like Shengmilo or Euybike, the GN29 stands out with its 29-inch wheels — relatively rare at this price point — and UL battery certification. However, the lack of weight and maximum payload data in the official specification sheet may deter some discerning buyers.

⚠ Note on approval: The GUNAI GN29 is equipped with a 750W motor and reaches a maximum speed of 50 km/h. These specifications exceed the European EPAC directive thresholds (250W / 25 km/h). This bike is classified as Off-road and cannot be legally used on public roads in Europe without appropriate registration. It is intended for use on private land or authorised trails.

This bike is for you if?

✔ you're looking for a powerful electric mountain bike under 1,000 €
✔ you mainly ride off-road, on trails and tracks
✔ you appreciate 29-inch wheels for added comfort and speed
✔ you want Shimano 21-speed transmission at this price
✔ road approval isn't a priority for you

This bike is NOT for you if?

❌ you need a bike approved for public road use in Europe
❌ you're looking for a lightweight or portable bike
❌ you need complete technical data (weight, max payload) before buying
❌ you want a brand with an established after-sales network in Europe
❌ you need daily urban city commuting