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.
100
Excellent battery capacity
Battery capacity is high compared with similar e-bikes.
Battery capacity is high compared with similar e-bikes.
The listed battery capacity is large in absolute terms.
100
Excellent battery efficiency
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 118.75.
95
Excellent for longer rides
Range is high compared with similar e-bikes, which is one of the strongest signs it should suit longer rides.
Range is high compared with similar e-bikes, which is one of the strongest signs it should suit longer rides.
Battery capacity is strong compared with similar e-bikes.
Battery efficiency appears strong, which should help stretch range on longer rides.
The removable battery can make charging easier during longer days or multi-stop rides.
Charging time is average for this type of e-bike.
The display or control unit should make it easier to monitor assistance and battery use on longer rides.
92
Excellent removable battery practicality
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.
Because the bike is heavier than average, removing the battery can make handling and charging more convenient.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
91
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.
The bike is heavier than average for its type, which may affect technical handling.
86
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.
85
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.
83
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 aluminium, which gives useful comfort and build context.
Overview
The Giant Reign E+ 2 is a capable mountain bike designed for off-road adventures, offering a smooth and efficient ride with strong battery performance that supports longer rides. Its hydraulic disc brakes provide confident stopping power, while the removable battery adds convenience for charging and storage. However, the motor's lower power and the bike's heavier weight may make it less punchy on steep climbs and slightly harder to handle when lifting. Despite this, it remains a solid choice for riders prioritizing range and trail performance over rapid acceleration.
Best For
✓
This mountain e-bike should suit riders who want a capable off-road machine with strong battery capacity and reliable performance on trails. Its high range and excellent battery setup make it a good choice for longer rides, while the hydraulic disc brakes and suspension system provide confidence and comfort on rough terrain. Riders who value natural assistance response and controlled stopping power will also appreciate its features, making it a solid option for trail-focused e-bike enthusiasts.
Who Should Avoid It
×
Riders seeking the most responsive and punchy motor performance may want to compare alternatives, as the motor power is lower than similar mountain e-bikes. The torque is above average for this type of bike, but the power-to-weight ratio is also lower than similar models, which could affect performance on steep or technical trails. However, the bike still offers strong battery capacity and range, making it a solid choice for riders prioritising endurance and off-road capability over raw acceleration.
Ownership considerations
These points highlight practical ownership factors such as maintenance, storage, charging, everyday
handling and bad-weather usability.
30
Some maintenance considerations
Weak
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 aluminium frame material is practical for everyday use and general maintenance.
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.
0
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 bike is heavier than average for its type, which may make storage and moving it harder.
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.
15
Harder to lift
Poor
The bike is heavier than average for its type, so it may not be especially easy to lift.
The bike is heavier than average for its type, so it may not be especially easy to lift.
The listed weight is 26.2 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
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.
The larger-than-average battery capacity may add weight.
92
Excellent removable battery practicality
Excellent
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.
Because the bike is heavier than average, removing the battery can make handling and charging more convenient.
The larger battery capacity makes removable charging more useful for day-to-day convenience.
23
Very slow charging speed
Poor
Charging time is average for this type of e-bike.
Charging time is average for this type of e-bike.
The quoted charging time is long in absolute terms.
100
Excellent battery efficiency
Excellent
The bike appears to get strong range from its battery size.
The bike appears to get strong range from its battery size.
The calculated range per battery unit is 118.75.
57
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.
53
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 aluminium, which gives useful durability and maintenance context.
40
Some family utility limitations
Weak
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.
Battery capacity is strong compared with similar e-bikes, supporting utility trips.
Range is average or better compared with similar e-bikes, which supports practical daily use.
Where to buy
Priced at £5,499, the Giant Reign E+ 2 looks favourably positioned against similar 2024 mountain e-bikes, offering strong value with its performance features. However, it may be considered demanding when viewed within a broader category context.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £136.01 above average
The Giant Reign E+ 2 is listed at £5,499, which sits comfortably against similar mountain e-bikes from 2024, offering a price that feels reasonable for the features included. It compares well with rivals in terms of range, battery capacity and torque support, which are all strong for off-road use, and the hydraulic disc brakes add confidence on technical trails. However, some similar e-bikes may feel more responsive or lively for their weight, which could be a consideration for riders prioritising agility. For a mountain e-bike focused on trail comfort, battery efficiency and strong hill support, this bike makes a solid case for its price. Riders who value reliability, comfort and consistent performance on varied terrain are likely to see the value here, especially with the strong battery and torque support. The trade-off is that it may not be the most dynamic option for those seeking a lighter, more playful ride.
We reach this value score by combining the bike’s price, specification, performance data and comparison against similar e-bikes in our database.
57
The listed price is GBP 5,499.
Range is strong compared with similar e-bikes.
Battery capacity is strong compared with similar e-bikes.
350W more power25 miles less range1 Ah more battery1 kg heavier1 fewer gears
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 bike is heavier than average for its type.
The calculated power-to-weight score is 9.54.
0
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 bike is heavier than average for its type.
The calculated power-to-weight score is 9.54.
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 bike is heavier than average for its type.
The calculated power-to-weight score is 9.54.
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 bike is heavier than average for its type, which may make storage and moving it harder.
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.
1
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 average or better compared with similar e-bikes, which supports commuting practicality.
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.
The bike is heavier than average for its type, which may make daily handling less convenient.
Front and rear suspension can add weight and complexity for normal commuting.
11
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.
Battery capacity is average or better for this type of e-bike, supporting everyday powered accessories.
15
Harder to lift
The bike is heavier than average for its type, so it may not be especially easy to lift.
The bike is heavier than average for its type, so it may not be especially easy to lift.
The listed weight is 26.2 kg.
The aluminium frame material is a practical lightweight choice for many e-bikes.
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.
The larger-than-average battery capacity may add weight.
23
Very slow charging speed
Charging time is average for this type of e-bike.
Charging time is average for this type of e-bike.
The quoted charging time is long in absolute terms.
E-system & battery comparison
Motor Power
250 watts
▼ 190 W below average
Motor Torque
85 Nm
▲ 6.5 Nm above average
Power-to-weight
9.54 W/kg
▼ 11 W/kg below average
Battery Capacity
800 Wh
▲ 169 Wh above average
Claimed Max Range
95 miles
▲ 34 miles above average
Charge Time
5h 30m
▲ 15 mins slower than average
Sensor Type
Torque and Cadence Sensor
Removable Battery
Yes
Motor Name
Giant Sync Drive Pro 2
This mountain e-bike offers a balanced motor assistance that should feel natural and predictable on trails, with strong torque support for climbing and low-speed technical sections. Next to similar models, it provides a solid level of assistance but may feel slightly less punchy than some more powerful e-bikes in the category. The torque should help with hill climbing and rough terrain, though riders looking for more aggressive acceleration might find it a bit modest. The torque and cadence sensor setup should provide smooth, responsive assistance that adapts to pedaling effort, making it easier to control on varied trails. Riders who prioritize efficiency, range, and trail control 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?
The Giant Reign E+ 2 is well-suited for long off-road rides, thanks to its high battery capacity and strong range, which should support extended adventures on trails. The hydraulic disc brakes offer confident stopping power, and the removable battery adds convenience for charging and storage. However, the bike's heavier weight and lower motor power may make it slightly less responsive on steep climbs and more challenging to lift, but it remains a solid choice for riders prioritizing range and trail performance.
How does the motor perform when climbing steep trails?
The motor provides adequate support for climbing steep trails, but you may need to manage your speed and effort carefully, especially on very steep sections. With 250 watts of power and 85 Newton meters of torque, the motor should assist reasonably well, though it may not feel as punchy as higher-powered models. The bike's weight and motor power mean it's better suited for moderate climbs rather than extremely steep or technical terrain.
Does the bike handle rough terrain comfortably?
The Giant Reign E+ 2 is built for rough terrain, with a mountain bike frame and hydraulic disc brakes that provide confident stopping power on trails. The bike's suspension and tire setup should handle uneven ground well, though its heavier weight might make it slightly less nimble compared to lighter models. Overall, it's a solid choice for riders looking for comfort and control on off-road paths.
Is the battery capacity enough for extended riding sessions?
The Giant Reign E+ 2 has a high battery capacity of 800 watt-hours, which should provide a range of around 95 miles on a single charge. This makes it well-suited for extended riding sessions on trails, especially if you're not pushing the motor to its limits. The removable battery also adds convenience for charging, so you can easily swap it out when needed.
How practical is the removable battery for charging and storage?
The removable battery on the Giant Reign E+ 2 is very practical for charging and storage. You can easily take the battery out to charge it at home or on the go, which is convenient if you're riding in areas without access to power outlets. This feature also makes it easier to store the bike in smaller spaces, as you can keep the battery separate when not in use.
Is this bike good value for its price compared to similar e-bikes?
The Giant Reign E+ 2 offers a strong balance of battery efficiency, off-road capability, and braking confidence for its price, making it a solid choice for mountain biking enthusiasts. While the motor power is on the lower end for this type of e-bike, the high battery capacity and strong range make it well-suited for longer rides. The heavier weight may affect portability, but the overall performance and features justify the cost for those prioritizing trail endurance and reliability.
How does the bike's weight affect its portability and handling?
The bike's weight of 26.2 kg makes it slightly heavier than average for a mountain e-bike, which can make it a bit more challenging to lift or carry when needed. However, this weight is balanced by its sturdy build and robust components, which contribute to stability and control on rough trails. While it may feel less nimble compared to lighter models, the weight doesn't significantly impact handling on the trail itself, where the bike's suspension and tire setup are more influential.
What are the main limitations of this e-bike for serious mountain biking?
For serious mountain biking, the Giant Reign E+ 2's 250W motor may feel less punchy on steep climbs, and its above-average weight could make it slightly harder to maneuver over rough terrain. While the bike is well-suited for off-road trails and offers strong braking and battery efficiency, riders focused on rapid acceleration or very technical climbs might find its motor power and weight a limiting factor in more intense mountain biking scenarios.
eBike Overview
eBike Type: Mountain Bike
The style of riding intended for this bike
Released:
2024
The bike was released 2 years ago
Screen
Giant RideDash EVO (full-color LCD display)
Lights Included
No
Weight (inc battery): 26.2 kg
The website average for electric bikes is
23.93 kg.
This electric bike is 2.26 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
