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.
94
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.
Multiple ride modes should help the rider manage assistance on technical trails.
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.
88
Excellent rider information and 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.
Multiple ride modes should give the rider more control over assistance levels.
Torque and cadence sensing should improve how precisely the bike responds to rider input.
87
Excellent smooth power delivery
Torque and cadence sensing should help the motor deliver more natural and controlled assistance.
Torque and cadence sensing should help the motor deliver more natural and controlled assistance.
Multiple ride modes should help riders choose a smoother level of assistance.
The included display or control unit should make it easier to manage assistance levels.
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.
Overview
The Giant Reign E+ 3 is a capable mountain bike designed for off-road adventures, offering a smooth and controlled power delivery that makes it easy to tackle varied terrain. With a high-capacity battery and efficient range, it's well-suited for longer rides without frequent recharging, and the removable battery adds convenience for charging and storage. The hydraulic disc brakes provide confident stopping power, while the aluminium frame and suspension ensure a comfortable ride over rough trails. However, its heavier weight and lower motor power may make it less punchy for steep climbs or quick acceleration, and the charging time is on the slower side for a bike in this category.
Best For
✓
This mountain e-bike should suit riders who prioritize off-road performance and want a capable trail companion. Its high battery capacity and strong motor power make it well-suited for longer rides and challenging terrain, while the hydraulic disc brakes and suspension system provide confidence and comfort on rough surfaces. Riders who value natural power delivery and flexible battery handling will also appreciate its design. It makes most sense for trail riders looking for a reliable and versatile e-bike with strong hill support and endurance.
Who Should Avoid It
×
Riders wanting the liveliest assistance may want to compare alternatives, as the motor power is lower than similar mountain e-bikes, which could affect acceleration and responsiveness on technical trails. The charging time is also average for this type of e-bike, which may be a drawback for riders who prioritize quick recharge times. However, the bike still offers excellent battery capacity and range, making it a solid choice for longer off-road rides where these factors are more important.
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 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.
69
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.
Multiple ride modes should help adapt the bike to different everyday journeys.
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 £4,999, the Giant Reign E+ 3 looks favourably positioned against similar 2024 mountain e-bikes, offering strong component spec for the category. Its higher overall price may reflect broader market positioning or specific feature choices.
Compared with similar mountain bike e-bikes on Bikkerr, this model sits £363.99 below average
The Giant Reign E+ 3 is listed at £4,999, 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, making it a solid choice for off-road riding where power and endurance are key. However, some similar e-bikes may feel more responsive or lively for their weight, which could be a consideration for riders prioritising agility. For this type of mountain e-bike, the balance of battery life, hill support and braking confidence makes the price easier to justify, especially for those focused on trail performance. Riders looking for a reliable, capable e-bike with strong power and range will likely see the value in this package, while those seeking a lighter or more dynamic ride might find room for trade-offs elsewhere.
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 4,999.
Range is strong compared with similar e-bikes.
Battery capacity is strong compared with similar e-bikes.
350W more power45 miles less range5 Ah less battery5 kg lighterSame 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 9.62.
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 9.62.
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 9.62.
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 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
9.62 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 rough terrain. Next to similar models, it provides a solid level of assistance but may feel slightly less punchy or lively compared to some heavier, more powerful e-bikes in the category. The torque and cadence sensor setup should help maintain control and responsiveness, especially when navigating technical trails or maintaining momentum on climbs. The motor’s efficiency and battery capacity should support longer rides without significant compromise, making it a reliable choice for trail riding. Riders looking for a well-rounded mountain e-bike with good trail control and predictable assistance may find this setup particularly 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+ 3 is well-suited for long off-road rides, thanks to its high battery capacity and efficient range of 95 miles, which should keep you going for extended adventures. The hydraulic disc brakes provide confident stopping power on rough terrain, and the mountain bike design ensures good trail handling. However, its heavier weight and lower motor power may make it less punchy for steep climbs or quick acceleration, so you might need to pace yourself on more challenging trails.
How does the motor perform when climbing steep trails?
The motor provides smooth and controlled assistance, but its 250W power and above-average torque may not be the most punchy for very steep climbs. You'll likely need to pedal actively, especially on long or technical ascents. The bike's weight and motor power make it better suited for moderate trails rather than extremely steep or technical climbs.
Does the bike handle rough terrain comfortably?
The Giant Reign E+ 3 is built for off-road use, with a sturdy frame and suspension that should handle rough terrain reasonably well. The hydraulic disc brakes provide confident stopping power, which is important when navigating uneven trails. However, the bike's heavier weight and lower motor power may make it feel less responsive on steep or technical sections, so riders should expect a more moderate performance on very challenging terrain.
Is the battery capacity sufficient for extended rides?
The Giant Reign E+ 3 has a high-capacity battery that should support extended rides, especially given its strong efficiency, which helps maximize the 95-mile range. The removable battery adds convenience for charging and storage, making it practical for longer trips. However, the charging time is average for this category, so you may need to plan for longer charging sessions if you're riding frequently or for long distances.
How practical is the removable battery for charging and storage?
The removable battery on the Giant Reign E+ 3 is quite practical for charging and storage. You can easily take the battery out to charge it separately, which is convenient if you're at a trailhead or home without access to a wall socket. This also makes it easier to store the battery safely when not in use, which is especially useful for longer trips or if you have limited space.
Is this bike good value for its price compared to similar e-bikes?
The Giant Reign E+ 3 offers a strong balance of performance and features for its price, especially with its high battery capacity and efficient range, which is ideal for longer off-road rides. However, its lower motor power and heavier weight may make it less punchy for steep climbs or quick acceleration compared to some competitors. While it's not the most affordable option, the bike delivers solid off-road capability and practical features like a removable battery, making it a reasonable choice for serious mountain bikers who prioritize range and comfort over speed and lightweight handling.
How does the weight of the bike affect its handling and portability?
The Giant Reign E+ 3 weighs 26 kg, which is above average for a mountain bike. This added weight can make the bike feel less nimble on technical trails and slightly harder to lift when carrying it, especially after a long ride. However, the weight is balanced by the bike's robust frame and suspension, which contribute to stability and comfort over rough terrain. While it may not be the lightest option, the weight doesn't significantly hinder its off-road performance or handling for most trail conditions.
What are the main limitations of this e-bike for off-road use?
While the Giant Reign E+ 3 is a mountain bike designed for off-road use, its 250W motor may feel less punchy when accelerating or climbing very steep trails compared to more powerful models. The bike's weight of 26kg can also make it slightly harder to maneuver over rough terrain or lift when needed. However, the high battery capacity and efficient range make it a good choice for longer rides, and the hydraulic disc brakes provide confident stopping power on trails.
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 kg
The website average for electric bikes is
23.93 kg.
This electric bike is 2.06 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
