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Giant Reign E Plus 3 Cobalt Black Electric MTB
- $1,846.91
- Brands Giant
- Product Code: 2303375105
- Availability: In Stock
Giant Reign E+ 3 – Cobalt / BlackThe Giant Reign E+ 3 – Cobalt / Black is a full-suspension electric mountain bike designed for riders who want the capability to tackle technical trails, steep climbs, and demanding descents with the added assistance of a powerful pedal-assist drive system.Built around an ALUXX SL-Grade Aluminum frame and a long-travel suspension platform, the Reign E+ 3 combines e..
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Overview Features and Benefits of Giant Reign E Plus 3 Cobalt Black
Giant Reign E+ 3 – Cobalt / Black
The Giant Reign E+ 3 – Cobalt / Black is a full-suspension electric mountain bike designed for riders who want the capability to tackle technical trails, steep climbs, and demanding descents with the added assistance of a powerful pedal-assist drive system.
Built around an ALUXX SL-Grade Aluminum frame and a long-travel suspension platform, the Reign E+ 3 combines enduro-oriented handling with the extra climbing capability of an integrated electric motor and battery. Its 29-inch wheels, hydraulic disc brakes, and suspension-focused geometry make it well suited to aggressive trail riding and challenging mountain terrain.
The Cobalt / Black finish gives the bike a modern, understated appearance while retaining the rugged character expected from a high-performance electric mountain bike.
Key Features
Full-suspension electric mountain bike
ALUXX SL-Grade Aluminum frame
Advanced-grade composite front/rear suspension components where specified
SyncDrive Pro 2 pedal-assist motor system
Integrated battery system
29-inch wheels
Long-travel suspension platform
SRAM Eagle drivetrain
Hydraulic disc brakes
Dropper seatpost
Tubeless-ready wheel and tire setup
Enduro-oriented geometry
Cobalt / Black finish
Powerful Electric Assistance
The Reign E+ 3 uses Giant's SyncDrive Pro 2 motor system to provide pedal assistance when climbing or accelerating on demanding terrain.
Instead of relying entirely on rider-generated power, the motor supplements the rider's pedaling effort, making steep climbs and long ascents more manageable.
This is particularly useful on technical mountain routes where repeated climbs can otherwise consume significant energy before the rider reaches the next descent.
The exact assistance level and available riding range depend on factors such as:
Rider weight
Selected assistance mode
Terrain
Elevation gain
Riding speed
Temperature
Tire pressure
Battery condition
Integrated Battery
The electric system is powered by an integrated battery positioned within the frame.
The internal placement helps maintain a clean appearance and keeps the bike's mass centralized within the chassis. This is important on a full-suspension mountain bike because centralized weight can contribute to more predictable handling on technical terrain.
Battery capacity and charging specifications can vary by model year and market, so the exact battery specification should be confirmed against the particular Reign E+ 3 configuration being sold.
ALUXX SL-Grade Aluminum Frame
The Reign E+ 3 uses Giant's ALUXX SL-Grade Aluminum frame construction.
This material is engineered to provide a balance of strength, stiffness, and weight for demanding mountain-bike applications.
The frame incorporates the structural requirements of a full-suspension e-MTB, including provisions for the motor, integrated battery, suspension linkage, and long-travel chassis.
Full-Suspension Trail Platform
The Reign E+ 3 is designed around a full-suspension chassis intended for aggressive trail and enduro riding.
The front and rear suspension work together to absorb impacts and maintain tire contact with the ground over rough terrain.
This is especially valuable when riding across:
Roots
Rocks
Drops
Technical descents
Loose surfaces
Steep trail sections
The suspension platform also helps improve traction during technical climbs by allowing the rear wheel to remain more consistently connected to uneven terrain.
29-Inch Wheels
The bike uses 29-inch wheels, which provide several advantages for modern mountain riding.
Larger wheels can roll efficiently over roots, rocks, and trail obstacles while maintaining momentum across rough terrain. They can also provide a stable feel at speed, which complements the Reign's aggressive trail geometry.
The wheel and tire configuration is designed around mountain-bike use, with wide tires providing traction and control across changing surfaces.
Enduro-Oriented Geometry
The Reign E+ platform is designed with aggressive mountain riding in mind.
Its geometry prioritizes stability and control at speed while maintaining enough maneuverability for technical trails. The longer, slacker chassis helps the bike remain composed on steep descents and rough terrain.
The electric motor also changes how riders approach climbs, allowing the bike's suspension and geometry to be used on technical uphill sections rather than treating climbing simply as a way to reach the next descent.
SRAM Eagle Drivetrain
The Reign E+ 3 is equipped with a SRAM Eagle drivetrain, providing a wide range of gears for mountain riding.
The gearing is intended to complement the electric motor by giving riders appropriate ratios for both climbing and descending.
This combination is useful when transitioning between:
Steep climbs
Technical uphill sections
Rolling trails
Fast descents
Long mountain routes
The exact Eagle-series components can vary according to model year and regional specification.
Hydraulic Disc Brakes
Hydraulic disc brakes provide the stopping power and modulation required for an electric mountain bike intended for aggressive trail use.
The additional mass and higher speeds associated with an e-MTB make dependable braking especially important when descending steep terrain.
Hydraulic disc systems provide controlled braking input and maintain consistent performance across changing trail conditions when properly maintained.
Dropper Seatpost
A dropper seatpost allows the rider to lower the saddle from the handlebar while riding.
Lowering the saddle creates additional space for body movement during steep descents and technical sections. The rider can then raise the saddle again for efficient climbing and pedaling.
This feature is particularly useful on enduro-style trails where riding positions can change rapidly.
Tubeless-Ready Wheel System
The Reign E+ 3 is designed around a tubeless-ready wheel and tire configuration.
When converted using the appropriate tubeless components and sealant, the system can allow lower tire pressures for improved traction and comfort while reducing the risk of conventional pinch flats.
Actual tire pressure should always be selected according to rider weight, terrain, tire manufacturer's recommendations, and riding style.
Typical Applications
Technical Trail Riding
The long-travel full-suspension platform is designed to handle demanding terrain with rocks, roots, drops, and uneven surfaces.
Enduro Riding
The combination of 29-inch wheels, aggressive geometry, suspension travel, and electric assistance makes the bike well suited to enduro-style riding.
Steep Climbs
The electric drive system assists the rider on steep ascents and technical uphill sections.
Mountain Adventures
The integrated battery and motor provide additional capability for longer mountain rides with substantial elevation gain.
Trail Descents
The suspension, hydraulic brakes, dropper post, and stable geometry are designed to provide control during fast and technical descents.
Specifications
| Specification | Details |
|---|---|
| Brand | Giant |
| Model | Reign E+ 3 |
| Color | Cobalt / Black |
| Bike Type | Electric mountain bike |
| Suspension | Full suspension |
| Frame Material | ALUXX SL-Grade Aluminum |
| Wheel Size | 29 inches |
| Motor System | Giant SyncDrive Pro 2 |
| Battery | Integrated frame-mounted battery |
| Drivetrain | SRAM Eagle |
| Brakes | Hydraulic disc |
| Seatpost | Dropper |
| Wheel/Tire System | Tubeless-ready |
| Riding Category | Trail / Enduro / All-mountain |
| Primary Use | Technical trails, mountain riding, climbs and descents |
| Frame Design | Long-travel, enduro-oriented |
Why Choose the Giant Reign E+ 3?
The Giant Reign E+ 3 – Cobalt / Black is designed for riders who want the descending capability of a modern long-travel mountain bike combined with the climbing assistance of an electric motor.
Its ALUXX SL-Grade Aluminum frame, SyncDrive Pro 2 motor, integrated battery, 29-inch wheels, full suspension, SRAM Eagle drivetrain, hydraulic disc brakes, and dropper seatpost create a well-rounded package for demanding mountain terrain.
For riders who enjoy technical trails but want additional assistance on steep climbs and long mountain approaches, the Reign E+ 3 provides a practical way to spend more time riding challenging terrain and less time struggling through extended ascents.
Important Specification Note
Giant bicycle specifications can vary by model year, market, frame size, and regional component availability. Exact suspension components, battery capacity, drivetrain components, wheelset, tires, and cockpit equipment should therefore be confirmed against the specific Reign E+ 3 – Cobalt / Black configuration being offered.
The stated equipment should not be used to determine legal e-bike classification or maximum permitted assistance speed in a particular country. Always check the applicable local regulations and follow Giant's recommended setup, charging, maintenance, and riding procedures.
