GUNAI GN27 Electric Bike for Adult,27.5Inch Tire Mountain Bike Commuter City Ebike with Bafang Motor and 48V 10.4AH Battery

£799.00 (as of 07/17/2025 15:14 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The GUNAI GN27 electric bike is a commuter friendly mountain style e bike with a 48V 10.4Ah removable battery, 50Nm torque, 7 speed gearing, and three riding modes. It is ideal for riders who want easier city travel, better hill support, and practical mixed route performance with useful display and safety features.

SKU: B0CKPGVWV2 Category:

Quick Verdict

A practical electric bike for riders who want easier commuting, hill support, and flexible everyday riding without stepping up to a bulkier off road setup.

What This Product Is Used For

This GUNAI GN27 electric bike is built for commuting, city riding, gravel trails, dirt paths, and bumpy roads where a standard pedal bike can feel harder work. Compared with a regular commuter bicycle, this electric bike gives you motor assistance and three riding modes, making longer trips and hilly routes less tiring. It uses a brushless hub motor with up to 50Nm of torque and a 48V 10.4Ah removable battery, which makes it a practical choice for daily travel and mixed route riding. Riders often choose this type of electric bike over a simpler bicycle because it gives more support on hills and makes everyday journeys feel easier.

Who This Product Is Best Suited To

This product is best suited to riders who want one bike for commuting, local errands, and weekend rides without needing a highly specialised mountain bike. It works well for people who want help on steeper routes, like the idea of removable battery charging, and want the flexibility to switch between assisted riding, full electric support, and normal pedalling depending on the journey.

Key Benefits at a Glance

• 50Nm torque helps make steep climbs feel easier
• 48V 10.4Ah removable battery makes charging more convenient
• Three riding modes give flexible support for different journeys
• Pedal assist range of 60 to 70 km is useful for regular commuting
• Full electric range of 40 to 50 km adds practical short trip support
• 7 speed gearing helps adapt to hills, gravel trails, and city routes
• Colour display keeps key ride data easy to follow
• Disc brakes and LED headlight add useful everyday safety support

Pros and Cons

Pros
• Makes commuting and hill riding feel less demanding
• Removable battery is easier to charge at home or work
• Three riding modes make the bike more versatile day to day

Cons
• Battery capacity is smaller than some longer range e bikes
• Warranty periods differ across the frame and electrical parts

Real World Performance and Day to Day Use

In day to day use, this bike is designed to make mixed route riding feel simpler and more manageable. The brushless hub motor is listed with up to 50Nm of torque, which is aimed at helping riders deal with steep hills and rougher roads with less effort. The 48V 10.4Ah detachable lithium battery is also a practical advantage because it can be charged on the bike or removed for charging elsewhere. In pedal assist mode, the claimed range is 60 to 70 km, while full electric mode is claimed at 40 to 50 km, giving riders a useful choice between saving effort and managing battery use. The 7 speed gear system, disc brakes, LED headlight, and colour display help solve common commuter worries around control, safety, and keeping track of battery and speed.

Choose this if you want an electric bike that can handle commuting and rougher roads with less strain.

Skip this if you want a longer range model for bigger rides or a more dedicated off road mountain e bike.

Why We Like This Product

The YPC.co.uk Team likes this because it gives riders a good balance between commuter practicality and more capable mixed route use. It helps avoid the mistake of buying a basic city bike that struggles once the road gets rough or hilly, and it reduces the regret of choosing an e bike that is harder to charge because the battery cannot be removed.

Comparisons With Similar Systems

Compared with standard commuter bicycle

Better when

You want easier hill riding, less effort on longer trips, and flexible electric support

Alternative better when

You want a simpler bike with no charging needs or electrical parts

Compared with fat tyre electric bike

Better when

You want a lighter feeling commuter friendly setup for city streets and mixed everyday routes

Alternative better when

You want more grip and cushioning for sand, snow, or rougher off road terrain

Alternatives Worth Considering

Standard commuter bicycles, fat tyre electric bikes, hybrid electric bikes, hardtail mountain bikes

Tips for Getting the Best Performance

Use pedal assist mode for the best balance between rider effort and battery range on longer trips. Remove the battery for easier indoor charging when needed, and use the 7 speed gearing with the motor support instead of relying on one mode alone. Keep an eye on the colour display so speed, assist level, and odometer readings stay easy to manage during regular rides.

Full Technical Specification

Brand

GUNAI

Model

GN27

Product Type

Electric bike

Bike Style

Mountain bike commuter city ebike

Motor Type

Brushless hub motor

Motor Brand

Bafang motor in title

Torque

Up to 50Nm

Climbing Ability

Up to 40 degrees

Battery Voltage

48V

Battery Capacity

10.4Ah

Battery Type

Detachable lithium battery

Battery Protection

IP45 waterproof

Battery Protection

BMS automatic current cutoff

Gearing

7 speed

Brakes

Disc brakes

Light

LED headlight

Display

Colour display

Display Information

Speed

Display Information

Assist level

Display Information

Mode

Display Information

Odometer

Riding Modes

Pedal assist mode

Riding Modes

Full electric mode

Riding Modes

Riding mode

Pedal Assist Range

60 to 70 km

Full Electric Range

40 to 50 km

Pre Assembly

85% pre assembled

Frame Warranty

One year

Motor and Battery Warranty

Six months

Screen and Controller Warranty

Six months

Buyer’s Guide

Buy this if you want an easier and faster way to commute with stronger hill support and simpler removable battery charging.
Do not buy this if you need a longer range setup for bigger journeys or a stronger off road focused e bike for harsher terrain.

Frequently Asked Questions

What type of riding is the GUNAI GN27 best for?

GUNAI GN27 electric bike is suited to commuting, city riding, gravel trails, dirt paths, and bumpy roads.

Does the GUNAI GN27 have a removable battery?

GUNAI GN27 electric bike uses a 48V 10.4Ah detachable lithium battery that can be charged on or off the bike.

How far can the GUNAI GN27 go in pedal assist mode?

GUNAI GN27 electric bike is claimed to travel 60 to 70 km in pedal assist mode.

What range does the bike offer in full electric mode?

GUNAI GN27 electric bike is claimed to offer 40 to 50 km in full electric mode.

Is this bike suitable for hills?

GUNAI GN27 electric bike is listed with up to 50Nm of torque and is described as helping tackle steep hills up to 40 degrees.

What safety features does it include?

GUNAI GN27 electric bike includes disc brakes and an LED headlight for added riding safety.

What information does the display show?

GUNAI GN27 electric bike has a colour display showing speed, assist level, mode, and odometer readings.

How many riding modes does the GUNAI GN27 have?

GUNAI GN27 electric bike includes pedal assist mode, full electric mode, and normal riding mode.

Does the bike come fully assembled?

GUNAI GN27 electric bike arrives 85% pre assembled.

What warranty is included?

GUNAI GN27 electric bike includes a one year frame warranty, while the motor, battery, screen, and controller are covered for six months.

Brand

GUNAI

Manufacturer

GUNAI

Product Group

Sports

Part Number

GN27

Model

GN27

Warranty

1Year for frame and meter. 6 months for motor,battery,controller ,charger etc

Color

Grey

Product Dimensions

70.87 x 27.56 x 44.88 Inches

Item Weight

70.55 pounds

Size

27.5 inches

Number Of Items

1

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