Biktrix Juggernaut Classic Duo ST: A Comprehensive Review
Last Updated on October 4, 2024 by Kristina Grant
The Biktrix Juggernaut Classic Duo ST is an aggressive fat tire e-bike with a near-effortless ride and tons of customization options. It combines a powerful 750w Bafang mid-drive motor with a cadence sensor for a smooth and easy ride.
Here’s a breakdown of the key features, pros, and cons of the Juggernaut Classic Duo ST to help you decide if it’s the right e-bike for you.
Features
- Motor: 750w Bafang mid-drive motor with 120 Nm of torque Â
- Battery: 52v 17.5ah 910wh (internal battery) + up to 52v 17ah 884wh (optional external range extender battery) Â
- Range: Up to 60+ miles on a single charge (claimed) with the standard battery
- Speed: Up to 28 mph (unlocked) in Class 3 mode
- Display: Bafang Dpc-18
- Brakes: Tektro HD-E350 hydraulic disc brakes with 2-piston calipers and 180mm rotors (upgradeable to Magura MT5 system)
- Suspension: RST Guide fork with 75mm travel (upgradeable) Â
- Wheels: 24″ x 4″ Kenda Havok tires
- Frame: 6061 aluminum Â
- Drivetrain: Shimano 9 speed, 44T chainring, 12-36T cassette Â
- Weight: 69 lbs without battery (claimed), 62.8 lbs without battery, 72.6 lbs with battery (tested weight)
- Rider Height: 5’4″+ (M), 5’8″+ (L)
- Color Options: 182 custom powder coat color options available
Pros
- Powerful mid-drive motor with near-effortless pedaling
- Highly customizable with a variety of options for motor, battery, brakes, suspension, and more
- Comfortable ride with a wide saddle and ergonomic grips
- Relatively nimble handling for a fat tire bike thanks to its 24″ wheels (compared to 26″ wheels on some models)
- Excellent hill-climbing ability
- Integrated headlight and taillight
- Fast 3-amp charger that can refill the battery in under 6 hours
- Easy-to-use control panel
Cons
- Flexy handling, especially noticeable when cornering at higher speeds (common for step-thru fat tire bikes)
- Standard Tektro brakes may not be powerful enough for the bike’s weight and speed (upgrade recommended)
- Soft suspension fork may not be ideal for aggressive riding (upgrade recommended)
- Confusing website with many similar models (28 variations of the Juggernaut)
- Eco and Sport modes feel similar; could benefit from more distinction in power levels
- Exceeds Class 2 and Class 3 speed limits when unlocked (throttle can be disconnected to comply with regulations)
Who is it Good For?
The Biktrix Juggernaut Classic Duo ST is a good option for riders who are looking for a comfortable and powerful e-bike for commuting, recreational riding, or light off-roading. The high level of customization allows riders to tailor the bike to their specific needs and preferences. However, it’s important to consider the handling limitations, especially if you plan on doing a lot of fast cornering or aggressive riding.
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Reported Testing
- The Juggernaut Classic Duo ST performed well in hill climbing tests, thanks to its powerful motor and mid-drive design.
- The bike’s range exceeded the average for fat tire e-bikes in reported testing, likely due to its high-capacity battery.
- The standard Tektro brakes had a longer stopping distance than average for a fat tire e-bike. Upgrading to the Magura MT5 system is recommended.
Specifications
| Feature | Specification |
|---|---|
| Motor | 750w Bafang mid-drive |
| Battery | 52v 17.5ah 910wh (internal battery) + up to 52v 17ah 884wh (optional external range extender battery) |
| Range | Up to 60+ miles on a single charge (claimed) with the standard battery |
| Speed | Up to 28 mph (unlocked) in Class 3 mode |
| Display | Bafang Dpc-18 |
| Brakes | Tektro HD-E350 hydraulic disc brakes with 2-piston calipers and 180mm rotors (upgradeable to Magura MT5 system) |
| Suspension | RST Guide fork with 75mm travel (upgradeable) |
| Wheels | 24″ x 4″ Kenda Havok tires |
| Frame | 6061 aluminum |
| Drivetrain | Shimano 9 speed, 44T chainring, 12-36T cassette |
| Weight | 69 lbs without battery (claimed), 62.8 lbs without battery, 72.6 lbs with battery (tested weight) |
| Rider Height | 5’4″+ (M), 5’8″+ (L) |
| Color Options | 182 custom powder coat color options available |
| Price | $2,499 (standard model) |
Should You Buy the Biktrix Juggernaut Classic Duo ST?
The Biktrix Juggernaut Classic Duo ST is a powerful and comfortable fat tire e-bike with a lot to offer. The near-effortless pedaling, extensive customization options, and long range make it a great choice for riders who want a versatile e-bike for a variety of purposes. However, the flexy handling and underpowered brakes (on the standard model) are drawbacks to consider.
Alternative Ebikes
- The Mokwheel Obsidian ST is another powerful fat tire e-bike that offers a more aggressive riding position and better handling than the Juggernaut Classic Duo ST. It features a 1000W Bafang mid-drive motor, a torque sensor for a more natural pedaling experience, and hydraulic disc brakes for improved stopping power. The Obsidian ST is also available with a variety of customization options, including different battery sizes, suspension forks, and color schemes.
- The Rad PowerBikes RadWagon 4 is a versatile cargo e-bike that’s perfect for hauling groceries, packages, or even children. It has a powerful 750W motor, a comfortable step-through frame, and a large cargo capacity. The RadWagon 4 is also available with two battery options (672Wh or 1008Wh) to suit your range needs.
Comparison Table
| Feature | Juggernaut Classic Duo ST | Mokwheel Obsidian ST | Rad PowerBikes RadWagon 4 |
|---|---|---|---|
| Motor | 750W Bafang mid-drive | 1000W Bafang mid-drive (torque sensor) | 750W Bafang mid-drive |
| Battery | 52v 17.5ah 910wh (internal) + optional external | 48v 17.5ah 840wh or 1008wh | 672wh or 1008wh |
| Range | Up to 60+ miles | Up to 75 miles | Up to 45-65 miles |
| Speed | Up to 28 mph (unlocked) | Up to 28 mph | Up to 20 mph |
| Brakes | Tektro HD-E350 hydraulic disc brakes | Hydraulic disc brakes | Hydraulic disc brakes |
| Suspension | RST Guide fork with 75mm travel | Suspension fork (model-dependent) | Front suspension fork |
| Wheels | 24″ x 4″ Kenda Havok tires | 26″ x 4″ tires | 26″ x 4″ tires |
| Frame | Step-through frame | Step-through frame | Step-through frame |
| Cargo Capacity | Limited | Limited | Up to 160 lbs |
| Price | $2,499 (standard model) | $2,999 (standard model) | $1,799-$1,999 |
Additional Information
- Customization Options: The Juggernaut Classic Duo ST offers a wide range of customization options, allowing riders to tailor the bike to their specific needs. This includes options for the motor, battery, brakes, suspension, wheels, and color scheme.
- Riding Experience: The Juggernaut Classic Duo ST offers a comfortable and powerful riding experience, thanks to its mid-drive motor and fat tires. The bike is also relatively nimble for a fat tire e-bike, making it easy to maneuver in tight spaces.
- Maintenance: Like any e-bike, the Juggernaut Classic Duo ST requires regular maintenance to keep it running smoothly. This includes checking tire pressure, lubricating the chain, and cleaning the bike regularly.
- Warranty: The Juggernaut Classic Duo ST comes with a limited warranty that covers defects in materials and workmanship. Be sure to check the specific terms of the warranty before making a purchase.
Conclusion
The Biktrix Juggernaut Classic Duo ST is a versatile and powerful fat tire e-bike that’s well-suited for a variety of riders. Its combination of comfort, power, and customization options make it a great choice for commuters, recreational riders, or anyone looking for a reliable and enjoyable e-bike. However, it’s important to consider the flexy handling and underpowered brakes (on the standard model) before making a purchase.
Share your thoughts: Have you tried the Biktrix Juggernaut Classic Duo ST or a similar e-bike? Share your experiences in the comments below!
Kristina Grant is not just an enthusiast but a true authority on electric bikes. Nestled in the coastal beauty of Virginia, Kristina has found the perfect backdrop for her passion for electric biking. As a dedicated wife and homeschooling mom, her life revolves around family, faith, and the thrill of adventure.
Originally hailing from Ohio, Kristina's journey with electric bikes began as a curiosity and quickly evolved into a deep expertise. Her blog is a testament to her love for electric biking, combining her fascination for eco-friendly transportation with her coastal lifestyle.
When she's not cruising the beach on her electric bike, you'll find Kristina indulging in her other loves: long walks along the shore, getting lost in a good book, and cherishing moments with her loved ones. With a heart as big as her love for animals, especially cats, Kristina brings a unique perspective to the electric bike world, grounded in her strong faith in God and her dedication to a sustainable lifestyle.
Through her blog, Kristina shares her extensive knowledge of electric bikes, offering valuable insights, tips, and recommendations to fellow enthusiasts. Whether you're a seasoned rider or a newcomer to the electric bike scene, Kristina's blog is your go-to source for all things electric biking, fueled by her passion, expertise, and the scenic beauty of coastal Virginia.
