2026 Giant Reign Advanced E+ 0

Name: Giant Reign Advanced E+ 0 (2026)
Brand: Giant
Price: 6999.00 GBP
Availability: InStock

A capable mountain e-bike with strong braking and suspension for confident trail riding.

£9,999.00

▲ £4,340.93 above similar bikes

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Electric bike Comparison Page

Top valued features

Highlights based on this e-bike’s specs, comparisons and practical strengths.

100

Excellent downhill control

Front and rear suspension should improve control and confidence on descents.

Front and rear suspension should improve control and confidence on descents.
Hydraulic disc brakes should provide controlled braking on descents.
The 29-inch or mullet wheel setup should help stability and control on descents.
The mountain bike design should be better suited to controlled descending.

100

Excellent off-road capability

The mountain bike design should be well suited to off-road riding.

The mountain bike design should be well suited to off-road riding.
Front and rear suspension should improve control and comfort off-road.
Hydraulic disc brakes should help with control on loose or uneven terrain.
Torque is strong compared with similar e-bikes, which should help on loose or uneven climbs.
The 29-inch wheel size should help rollover and stability on rougher terrain.

Excellent technical trail control

The mountain bike design is well suited to technical trail control.

The mountain bike design is well suited to technical trail control.
Front and rear suspension should significantly improve control on technical trails.
Hydraulic disc brakes should provide the control needed for technical trail riding.
The brake specification appears to include larger rotors, which can help braking power and heat management.
The 29-inch wheel size should help rollover and stability on technical terrain.
Torque is above average for this type of e-bike.
Torque-sensing assistance should help with smoother control on technical sections.

Excellent braking confidence

Hydraulic disc brakes should provide strong and controlled stopping power.

Hydraulic disc brakes should provide strong and controlled stopping power.
The brake specification appears to include larger rotors, which can help braking power and heat management.

Excellent trail control

The mountain bike format should feel well suited to trail riding.

The mountain bike format should feel well suited to trail riding.
Front and rear suspension should improve control on uneven trails.
Hydraulic disc brakes should improve control on loose or uneven trails.
The 29-inch wheel size should help rollover and stability on trails.
Torque is strong compared with similar e-bikes, which should help low-speed trail control.
Torque-sensing assistance should help with smoother power control on trails.

Good rough-road comfort

Front and rear suspension should significantly improve comfort on rough roads and uneven surfaces.

Front and rear suspension should significantly improve comfort on rough roads and uneven surfaces.
The larger wheel size should help roll over bumps and rough surfaces more smoothly.
The mountain bike format is generally better suited to rougher terrain.
Hydraulic disc brakes add useful control on rougher routes.
The bike weight may help it feel more planted over rough surfaces.
Frame material is listed as carbon fiber, which gives useful comfort and build context.

Good charging speed

Charging time is low compared with similar e-bikes.

Charging time is low compared with similar e-bikes.
The quoted charging time is long in absolute terms.

Useful removable battery

The removable battery makes charging, storage and battery handling more flexible.

The removable battery makes charging, storage and battery handling more flexible.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.

Mixed stable ride feel

The mountain bike format should feel stable on uneven or rougher routes.

The mountain bike format should feel stable on uneven or rougher routes.
The bike weight should help it feel more planted and settled on the road.
The larger wheel size should support a more stable and settled ride feel.
Hydraulic disc brakes should add confidence and control to the overall ride feel.
Suspension should help the bike feel more settled over uneven surfaces.
A solid payload rating can support a more stable everyday ride feel.
Frame material is listed as carbon fiber, which gives useful build and ride-feel context.

Decent rider controls

The included display or control unit should give useful ride information and control.

The included display or control unit should give useful ride information and control.
Torque and cadence sensing should improve how precisely the bike responds to rider input.

Overview

The Giant Reign Advanced E+ 0 is a capable mountain bike designed for trail riding and off-road adventures, with a carbon frame and dual suspension that make it comfortable over rough terrain. Its 250W motor provides smooth support for moderate climbs and trails, though it lacks the punch needed for more aggressive riding. The hydraulic disc brakes offer confident stopping power, and the removable battery adds convenience for charging and storage. While its battery capacity and range are on the lower side for longer rides, the quick charge time helps mitigate this. This bike is best suited for riders who prioritize trail control and comfort over extended range or high-speed performance.

Best For

✓

This mountain e-bike should suit riders who prioritize off-road performance, trail control and comfort on rough terrain. Its hydraulic disc brakes, front and rear suspension, and responsive motor make it a strong choice for trail riding and technical climbs. The removable battery adds flexibility for charging away from the bike, which is especially useful for riders who frequently ride in remote areas. Its above-average charging speed and solid range also make it a practical option for longer rides on varied terrain.

Who Should Avoid It

×

Riders seeking maximum range or a larger battery may want to compare similar mountain e-bikes, as this model's range and battery capacity are below average for the category. Riders wanting more responsive acceleration or stronger motor punch may also find stronger options available next to rivals. However, the bike still suits those prioritising off-road capability, confident braking and trail control, especially for less extreme terrain or shorter rides.

Ownership considerations

These points highlight practical ownership factors such as maintenance, storage, charging, everyday handling and bad-weather usability.

More maintenance likely

Poor

Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.

Chain drive is common and serviceable, but needs more cleaning and lubrication than a belt drive.
Hydraulic disc brakes are a strong everyday setup, though they may need occasional specialist servicing.
A removable battery makes charging, storage and battery care easier.
Tyres are listed, but there is no clear puncture-protection signal.
The carbon frame material can be lightweight, though damage checks may need more care.
The mountain bike format may involve more wear from rougher riding and more complex components.
A higher number of gears can add drivetrain complexity.
Front and rear suspension can add maintenance complexity.

Limited storage practicality

Poor

The frame does not appear to fold, so storage will depend more on size and weight.

The frame does not appear to fold, so storage will depend more on size and weight.
The removable battery can make storage and indoor charging more flexible.
A full-suspension mountain bike format is usually bulkier and harder to store indoors.

Some lifting limitations

Weak

The bike weight is average for this type of e-bike.

The bike weight is average for this type of e-bike.
The listed weight is 23.8 kg.
The carbon frame material should help keep weight down.
The removable battery can reduce the weight when lifting or moving the bike.
The mountain bike format can be bulkier and harder to lift than simpler urban e-bikes.
The 29-inch wheel size can make the bike more awkward to lift or store.

Useful removable battery

Good

The removable battery makes charging, storage and battery handling more flexible.

The removable battery makes charging, storage and battery handling more flexible.
This bike type can be larger or heavier, so a removable battery adds useful charging flexibility.

Good charging speed

Good

Charging time is low compared with similar e-bikes.

Charging time is low compared with similar e-bikes.
The quoted charging time is long in absolute terms.

Low battery efficiency

Poor

Battery efficiency appears average for this type of e-bike.

Battery efficiency appears average for this type of e-bike.
The calculated range per battery unit is 98.21.

Decent everyday equipment

Mixed

The included display or control unit adds useful ride information for daily use.

The included display or control unit adds useful ride information for daily use.
A removable battery makes daily charging and storage more flexible.
Hydraulic disc brakes are useful equipment for confident daily riding.
Payload capacity is average or better, which helps with bags, shopping or daily kit.

Mixed bad-weather practicality

Mixed

Hydraulic disc brakes should provide better control and confidence in wet conditions.

Hydraulic disc brakes should provide better control and confidence in wet conditions.
Built-in lights are not listed, so bad-weather visibility may depend on extra accessories.
The mountain bike format should offer useful control on rough or slippery surfaces.
Suspension can help control and comfort on rough, wet or uneven surfaces.
The bike weight may help it feel more planted in wet or windy conditions.
The wheel size should be workable for regular poor-weather riding, depending on tyre choice.
Frame material is listed as carbon fiber, which gives useful durability and maintenance context.

Limited family utility practicality

Poor

Payload capacity is average for this type of e-bike.

Payload capacity is average for this type of e-bike.
The listed maximum payload is practical for lighter utility use.
The listed maximum payload is 130 kg.
Hydraulic disc brakes are useful when carrying children, shopping or heavier loads.
A removable battery makes charging easier around family or utility use.

Where to buy

Priced at £9,999, the Giant Reign Advanced E+ 0 sits at the higher end of the mountain e-bike market for 2026 models. Its premium positioning reflects advanced components and performance, though buyers may want to weigh this against more affordable alternatives in the same category.

Compared with similar mountain bike e-bikes on Bikkerr, this model sits £4,340.93 above average

Lowest price now: £6,999.00 Best price ever seen: £6,999.00 Price drop detected Prices update every ~24 hours

Don’t miss a price drop Get an email when we detect a retailer lowering the price of this bike.

Best deal

£6,999.00
RRP ~~£9,999.00~~
↓ £3,000.00 (30.00%)

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At £9,999, the Giant Reign Advanced E+ 0 sits at the higher end of the price spectrum for mountain e-bikes from 2026, and the cost feels demanding when compared with similar models from the same year. It offers strong torque support and hydraulic braking, which should give riders confidence on rough terrain, and the front and rear suspension help maintain control and comfort over uneven trails. However, some similar e-bikes may offer a larger battery or more range, and others might feel more lively for their weight, which could be a consideration for those prioritising endurance or agility. For a mountain e-bike focused on trail performance and comfort, the price is easier to understand if the rider values the responsive assistance, reliable braking, and the practicality of a removable battery. Riders who prioritise strong hill support and suspension comfort over extended range may find the value more compelling, though they should weigh the trade-offs against alternatives that offer more battery capacity or a livelier ride.

We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.

33

The price/value label suggests this bike is expensive compared with similar options.

The listed price is GBP 9,999.

Against bikes from a similar release year, the price is expensive.

Torque is strong compared with similar e-bikes.

Hydraulic disc brakes add useful specification value.

Torque and cadence sensing adds value by improving assist control and ride feel.

A removable battery adds practical value for charging and storage.

The included display or control unit adds useful everyday value.

Front and rear suspension adds component value, especially for comfort or off-road use.

The bike has 10 or more gears, which adds useful drivetrain range.

The bike appears to be a recent or current model.

The release age is recent, which supports value if pricing is competitive.

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Potential limitations

Areas where this e-bike may be less strong based on its specs and comparisons.

0

Limited motor punch

Motor power is low compared with similar e-bikes.

Motor power is low compared with similar e-bikes.

Torque is above average for this type of e-bike.

Power-to-weight is low.

Torque-sensing assistance should make the motor response feel more natural.

The calculated power-to-weight score is 10.5.

0

Limited commuting practicality

The mountain bike format is less commuting-focused and may be less efficient for daily urban use.

The mountain bike format is less commuting-focused and may be less efficient for daily urban use.

Range is below average, but may still be usable for shorter commutes.

Charging time is average or better, which is useful for regular commuting.

Built-in lights are not listed, so commuting equipment may need adding.

A removable battery makes home, office or indoor charging easier.

The display or control unit should make it easier to monitor assist level and battery use.

Hydraulic disc brakes are a strong practical feature for daily riding.

Payload capacity is average for this type of e-bike.

Front and rear suspension can add weight and complexity for normal commuting.

0

Low power-to-weight ratio

Power-to-weight is low compared with similar e-bikes.

Power-to-weight is low compared with similar e-bikes.

Motor power is low compared with similar e-bikes.

The calculated power-to-weight score is 10.5.

0

Limited storage practicality

The frame does not appear to fold, so storage will depend more on size and weight.

The frame does not appear to fold, so storage will depend more on size and weight.

The removable battery can make storage and indoor charging more flexible.

A full-suspension mountain bike format is usually bulkier and harder to store indoors.

5

Not ideal for steep hills

Torque is above average for this type of e-bike.

Torque is above average for this type of e-bike.

Power-to-weight is low.

Motor power is low compared with similar e-bikes.

The torque-sensing assistance should help the bike respond more naturally on climbs.

The bike has 10 or more gears, which should help on varied climbs.

The calculated power-to-weight score is 10.5.

5

No built-in light advantage

Built-in lights are not listed, so separate lights may be needed.

Built-in lights are not listed, so separate lights may be needed.

The display or control unit may make light and ride-status management easier.

19

Low battery capacity

Battery capacity is below average for this type of e-bike.

Battery capacity is below average for this type of e-bike.

The listed battery capacity should be practical for regular riding.

27

Limited longer-ride suitability

Range is below average compared with similar e-bikes, so longer rides may need more planning.

Range is below average compared with similar e-bikes, so longer rides may need more planning.

Battery capacity is low compared with similar e-bikes.

Battery efficiency appears broadly average.

The removable battery can make charging easier during longer days or multi-stop rides.

Charging time is shorter than average, which can help if topping up between rides.

The display or control unit should make it easier to monitor assistance and battery use on longer rides.

E-system & battery comparison

Motor Power

250 watts

▼ 190 W below average

Motor Torque

85 Nm

▲ 6.5 Nm above average

Power-to-weight

10.50 W/kg

▼ 9.9 W/kg below average

Battery Capacity

560 Wh

▼ 71 Wh below average

Claimed Max Range

55 miles

▼ 5.5 miles below average

Charge Time

3h 30m

▼ 105 mins faster than average

Sensor Type

Torque and Cadence Sensor

Removable Battery

Yes

Motor Name

Giant Sync Drive Pro 3

This mountain e-bike offers legal-style pedal assist with strong torque support that should feel capable on climbs and low-speed rough terrain, typical for this category. Next to similar models, it may feel a bit more modest in outright motor punch and liveliness for its weight, but the torque and cadence sensor should help balance natural response with predictable assistance. The motor should provide enough support for technical trails and loaded riding, though some similar e-bikes may offer more immediate acceleration. The sensor setup and ride modes should give riders control over how the assistance feels, making it adaptable to different trail conditions. Riders looking for a trail-focused mountain e-bike that prioritizes control and torque over raw power may find this motor setup well-suited to their needs.

This explanation is based on the bike’s motor power, torque, battery capacity, claimed range, charging time, sensor type and how those figures compare with similar e-bikes in our database.

eBike FAQs

Is this bike suitable for long off-road rides?

This bike is well-suited for off-road trails and rough terrain, thanks to its dual suspension and hydraulic disc brakes, which provide good control and stopping power on uneven surfaces. However, its 55-mile range and lower battery capacity may require more frequent charging on longer rides, so it's best for shorter to moderate off-road adventures rather than multi-day trips.

How does the motor perform when climbing steep trails?

The motor provides smooth support for moderate climbs, but it may struggle with very steep trails due to its 250W power and average battery capacity. While the above-average torque helps with some hill climbing, riders tackling consistently steep terrain may find they need to pedal more actively or plan for frequent recharging. This bike is better suited for trails with moderate inclines rather than extremely steep climbs.

Does the bike handle rough terrain comfortably?

Yes, the Giant Reign Advanced E+ 0 handles rough terrain comfortably thanks to its dual suspension system, which absorbs shocks and improves ride comfort over uneven surfaces. The hydraulic disc brakes provide reliable stopping power, even on muddy or wet trails, and the carbon frame adds to the overall stability. While the motor may not offer the strongest punch for very aggressive trails, it provides smooth support for most off-road conditions, making this bike a solid choice for trail riding and moderate off-road adventures.

Is the battery capacity sufficient for multi-day adventures?

The battery capacity of 560 watt-hours is on the lower side for multi-day adventures, so you may need to plan for additional charging stops or carry spare batteries. While the bike offers a quick charge time, its range of 55 miles is below average for mountain e-bikes, which could limit how far you can ride on a single charge. For extended trips, you might want to consider a model with a larger battery or a higher range to reduce the need for frequent recharging.

How does the braking system perform on muddy or wet trails?

The hydraulic disc brakes on the Giant Reign Advanced E+ 0 should provide confident stopping power even on muddy or wet trails. These brakes are designed to maintain grip in challenging conditions, which is important for trail control and safety. However, like all braking systems, their effectiveness can depend on proper maintenance and the rider's technique, especially in extreme weather or heavy mud.

Is this bike a good value option compared to similar mountain e-bikes?

The Giant Reign Advanced E+ 0 offers a solid set of features for trail riding, including a comfortable dual-suspension frame, hydraulic disc brakes for confident stopping, and a removable battery for convenience. However, its 250W motor and below-average battery capacity may limit performance on longer or more demanding rides compared to higher-end mountain e-bikes. At £9999, it's positioned as a premium option, so buyers should consider whether the trail-focused design and comfort justify the price compared to alternatives with greater range or motor power.

How easy is it to carry or lift the bike due to its weight?

The Giant Reign Advanced E+ 0 weighs 23.8 kg, which is average for a mountain e-bike. While this makes it reasonably manageable for lifting or carrying, it's still a substantial weight for frequent handling, especially when compared to lighter commuter or folding bikes. The removable battery adds some convenience for charging, but the overall weight may be a consideration if you need to carry the bike often or store it in tight spaces.

What are the main compromises of this bike for serious off-road riders?

This bike is well-suited for trail riding and off-road adventures, but it may fall short for serious off-road riders who demand high power or extended range. The 250W motor provides smooth support for moderate climbs and trails, but it lacks the punch needed for more aggressive riding or steep terrain. Additionally, the battery capacity and range are on the lower side for longer rides, which may require more frequent charging or careful planning for multi-day adventures.

eBike Overview

eBike Type: Mountain Bike

The style of riding intended for this bike

Released: 2026

The bike was released this year

Screen

Giant RideControl GO (frame-integrated LED console)

Lights Included

No

Weight (inc battery): 23.8 kg

The website average for electric bikes is 22.99 kg. This electric bike is 0.80 kg over the average. Total bike weight may vary depending on frame size.

Sizing & Geometry

Min / Max Rider Height

S: 163–172 cm | M: 169–179 cm | L: 176–186 cm | XL: 183–193 cm

Adjustable Sizing

Adjustable saddle height

Folded Dimensions

n/a

Sizing Chart

View Sizing Chart

Wheel & Tire Details

Wheelset Name

Giant TRX Carbon (29" Front / 27.5" Rear), 30 mm inner width, Hookless

Wheelset Size

29 inch

Tires

Maxxis Assegai 29x2.5 / Maxxis Minion DHR II 29x2.4

Frame Info

Frame Material

Carbon Fiber

Suspension Type

Front and Rear suspension

Foldable Frame

No

Max Payload

130 kg (286.6 lbs)

Drivechain Details

Groupset details

SRAM XX Eagle AXS 1x12; SRAM XX Eagle cassette 10-52T

Drivechain type

Chain drive

Shifters

SRAM AXS Pod Ultimate (wireless electronic)

Amount of gears

12 Gears

Rear Derailleur

SRAM XX Eagle Transmission

Front Derailleur

N/A

Cassette

SRAM XX Eagle Transmission (XS-1297), 10-52 T, 12-speed

Cranks

Praxis Performance Carbon, SRAM AXS Eagle T-Type 36 T chainring

Chain

SRAM XX Eagle Transmission Flattop

Bottom Bracket

Integrated with the motor (ISIS Drive)

Brakes

Brakes

SRAM Code Ultimate hydraulic disc, 220mm front / 200mm rear

Brake Type: Hydraulic Disc Brake

Hydraulic operated discs brakes (Very good)

Brake Rotors

220 mm Front / 200 mm Rear (Center Line)

Shifters

SRAM AXS Pod Ultimate (wireless electronic)

Other Components

Saddle

Unknown

Handlebars

Unknown

Bar Tape

Unknown

Manufactures Info

Worldwide Shipping: Yes

Delivery across the globe!

Warranty: 2 Years

Limited warranty website average: 3.12 years

Premium carbon enduro eMTB with advanced suspension, high-capacity battery and race-level performance.

Premium carbon enduro eMTB with advanced suspension, high-capacity battery and race-level performance.