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Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike
Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

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Brand: Biktrix
$2,580.99
$2,745.00
$2,580.99
Colors: Pearl White
Choose Second Color (Ultra Duo Step-Thru): None
Choose Frame Size (Ultra Duo 4 Step-Thru): M | 16” Frame - Fits Riders 5’6”+ / 30”+ Inseam
Subtotal: $2,580.99
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Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

$2,745.00 $2,580.99

Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

$2,745.00 $2,580.99
Colors: Pearl White
Choose Second Color (Ultra Duo Step-Thru): None
Choose Frame Size (Ultra Duo 4 Step-Thru): M | 16” Frame - Fits Riders 5’6”+ / 30”+ Inseam

Recently Viewed Products

Biktrix 2024  Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

The Biktrix Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike is a high-power e-bike that can go miles of adventure on a single charge. 

The Ultra Duo 4 sits at the top of the Duo range, so naturally, it boasts one of the most powerful motor systems available today. The Bafang Ultra M620 mid-drive motor is loaded with 1500W of peak power and 160Nm of torque.

Pair that with the 9-speed drivetrain and you'll be nearly unstoppable.

The Biktrix hydraulic disc brakes provide strong & dependable stopping power. Extra traction from fat tires. Choose the 27.5×3 plus-size wheels for less drag and a great commute on multiple surfaces.

Mid-Drive Motor

The Bafang Ultra M620 mid-drive motor features 1000 watts of power and 160Nm of torque. Span cities, climb hills and explore all the places you want to go with ease.

LCD Display

The LCD Display shows all kinds of information about your ride including speed, battery life, range, odometer, pedal assist level and more.

Thumb Throttle & Control Pad

With just a push of a thumb, you can access all of the power the motor has to offer.

Suspension Fork

The RST Guide spring suspension fork provides 75mm of travel with pre-load and lockout adjustability.

Drivetrain

From climbing hills top holding maximum speed on flats, the Shimano Alivio 9 Speed drivetrain has you covered.

Hydraulic Disc Brakes

When it’s so easy to go fast, you need strong stopping power. These hydraulic disc brakes will quickly and reliably bring you to a halt.

Integrated Front Light

This bright LED light is powered by the bike’s battery and can be turned on and off with a button on the handlebar control pad.

Optional Range Extender Battery

Multiple range-extender battery options can expand your eBike’s range all the way to 160 kilometres.

Rack & Fenders

These fenders will keep you and your bike clean. Need to carry some gear? Strap it onto the rear rack and head out!

Frame 6061 Aluminum
Rear Hub 190mm 36H
Seat Post 28.6mm
Fork RST Guide w/ 80mm Travel, Lockout & Preload
Rear Axle/Skewer 5mm QR
Seat Post Clamp QR
Headset Threadless 1-1/2" 1-1/8" Tapered
Rims Black 26" / 27.5" w/ Round Cutouts
Motor Bafang Ultra M620
Shifter Rear Shimano Alivio 9-Speed Trigger
Tires 26x4", 27.5x3"
Battery Sizes Total Capacity of 52V 36.5Ah 1898Wh:
52V 17.5Ah 910Wh (Internal Battery)
Up to 52V 19Ah 988Wh (External Range Extender Battery)
Rear Derailleur Shimano Alivio 9-Speed
Brakes Biktrix Dual Piston Hydraulic w/ 180mm Rotors
Display DPC-18
Cassette 11-34T
Brake Levers Biktrix Adjustable w/ Integrated Brake Cutoffs
Lights Integrated Headlight, Integrated Taillight
Chain KMC E9s 124 Links
Handlebar 700mm Wide, 50mm Rise w/ 31.8mm Clamp
Assist Type Torque + Cadence
Crank Set 44T Chainring w/ 170mm Arms
Stem Adjustable Stem
Assist Levels 0-5
Bottom Bracket Bafang ISIS
Grips Slide-On Comfort Grips
Throttle Thumb Throttle
Front Hub 135mm 36H
Saddle Wide Spring Supported Comfort Saddle
Other Front and Rear Fenders, Kickstand, Rear Rack
Front Axle/Skewer 5mm QR

L | 18"

1 Effective Top Tube Length 560mm 22in
2 Seat Tube Length (Classic Bike Size) 460mm 18.1in
3 Reach 560mm 22in
4 Stack 520mm 20.5in
5 Chainstay Length 520mm 20.5in
6 Standover Height 450mm 17.7in
7 Head Angle 68° -
8 Seat Angle 71° -
9 Head Tube Length 180 mm 7.1 in
10 Fork Length 530mm 20.9in
11 Front Center 730mm 28.7in
12 BB (Bottom Bracket) Drop 50mm 2in
13 Fork Offset 30mm 1.2in
14 Wheelbase 1240mm 48.8in
15 Total Length 2000mm 78.7in
16 Max Seat Height 1000mm 39.4in
17 Min Seat Height 880mm 34.6in
18 Handlebar Height 1160mm 45.7in
19 Weight (Without Battery) 34kg 75lb


M | 16"
1 Effective Top Tube Length 560mm 22in
2 Seat Tube Length (Classic Bike Size) 420mm 16.5in
3 Reach 520mm 20.5in
4 Stack 500mm 19.7in
5 Chainstay Length 480mm 18.9in
6 Standover Height 430mm 16.9in
7 Head Angle 68° -
8 Seat Angle 71° -
9 Head Tube Length 180 mm 7.1 in
10 Fork Length 530mm 20.9in
11 Front Center 710mm 28in
12 BB (Bottom Bracket) Drop 40mm 1.6in
13 Fork Offset 30mm 1.2in
14 Wheelbase 1240mm 48.8in
15 Total Length 2000mm 78.7in
16 Max Seat Height 1000mm 39.4in
17 Min Seat Height 830mm 32.7in
18 Handlebar Height 1100mm 43.3in
19 Weight (Without Battery) 33.5kg 73.9lb
  • Dual Motor Power: The Juggernaut Ultra Duo features dual 750W mid-drive motors, offering incredible power and performance, perfect for tackling steep hills, rough terrain, or off-road trails.
  • Step-Through Design: The easy-to-access step-thru frame enhances convenience, making it more accessible for riders of all ages and abilities.
  • Long Range & High Capacity: Equipped with a large battery, the bike ensures long-distance rides with excellent range, making it ideal for long commutes or adventure cycling.
  • Advanced Suspension: The full suspension system absorbs shocks and bumps, providing a smooth and comfortable ride across uneven surfaces.
  • Durable & Strong Frame: The sturdy frame is built to withstand rugged conditions while maintaining excellent stability and handling.
  • All-Terrain Capability: Designed for versatility, the bike performs well on both paved roads and off-road trails, making it perfect for exploring different environments.
  • High-Quality Components: Features top-tier components for a reliable, comfortable, and high-performance cycling experience.

Q: What is the Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike?
A: The Biktrix 2024 Juggernaut Ultra Duo 4 is a high-performance mid-drive electric bike with a step-through frame, designed for both comfort and power. It features a powerful motor, long-range battery, and durable components, making it ideal for urban commuting, long rides, and off-road adventures.

Q: What are the key features of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: Key features include a mid-drive motor for efficient power delivery, a step-through frame for easy mounting, dual battery setup for extended range, hydraulic disc brakes for smooth stopping, and high-quality suspension for a comfortable ride on rough terrain.

Q: What is the range of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: The bike offers a range of up to 60-80 miles per charge, depending on factors such as rider weight, terrain, and riding style, thanks to its dual battery system.

Q: How fast can the Biktrix 2024 Juggernaut Ultra Duo 4 go?
A: The bike can reach speeds of up to 28 mph (45 km/h), offering a fast and thrilling ride for both commuting and recreational purposes.

Q: Is the Biktrix 2024 Juggernaut Ultra Duo 4 suitable for off-road riding?
A: Yes, the mid-drive motor, full suspension, and powerful brakes make the Juggernaut Ultra Duo 4 highly suitable for off-road riding, including trails and rough terrains.

Q: How long does it take to charge the Biktrix 2024 Juggernaut Ultra Duo 4 battery?
A: The battery typically takes 6-8 hours to fully charge, depending on the charger and battery level, but with two batteries, you can continue to ride while one is charging.

Q: What is the weight of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: The bike weighs approximately 70-75 lbs (32-34 kg), making it sturdy but still manageable for handling.

Q: Does the Biktrix 2024 Juggernaut Ultra Duo 4 come with a warranty?
A: Yes, the bike comes with a limited warranty. For full warranty details, please check with the retailer.

Q: Can I customize the Biktrix 2024 Juggernaut Ultra Duo 4 with accessories?
A: Yes, the bike is compatible with a variety of accessories, including racks, fenders, and lights, to enhance your riding experience.

Q: Is the Biktrix 2024 Juggernaut Ultra Duo 4 easy to assemble?
A: The bike comes partially assembled, with clear instructions for easy final assembly. Professional assembly is recommended for optimal performance.

  1. Battery Care: Charge the battery regularly, keeping it between 20-80% for optimal lifespan. Avoid deep discharges and overcharging. Store the battery in a cool, dry place when not in use for long periods.
  2. Clean the Bike: Wipe the frame, motor, and drivetrain with a soft cloth and mild detergent. Avoid spraying water directly on electrical components, including the motor and battery.
  3. Tire Pressure: Regularly check tire pressure to ensure it's within the recommended range. Proper inflation improves ride quality and reduces wear on the motor.
  4. Lubricate the Chain: Lubricate the chain periodically to prevent rust and ensure smooth shifting. Wipe off excess lubricant to avoid attracting dirt.
  5. Inspect Brakes: Check brake pads for wear and ensure brakes are functioning effectively. Replace pads when they are worn down to maintain stopping power.
  6. Motor and Wiring: Inspect motor and wiring connections for any signs of damage, wear, or loose connections. Tighten or replace as necessary to ensure optimal motor performance.
  7. Suspension Maintenance: If the bike has suspension components, check them for proper alignment, cleanliness, and smooth operation. Lubricate and service suspension parts as recommended by the manufacturer.
  8. Check the Crankset and Pedals: Periodically inspect the crankset and pedals for wear or damage. Ensure they are securely tightened.
  9. Proper Storage: Store the bike in a dry, cool environment. If not in use for a long period, disconnect the battery and store it separately, maintaining a charge level of about 50%.

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Biktrix 2024  Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike

The Biktrix Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike is a high-power e-bike that can go miles of adventure on a single charge. 

The Ultra Duo 4 sits at the top of the Duo range, so naturally, it boasts one of the most powerful motor systems available today. The Bafang Ultra M620 mid-drive motor is loaded with 1500W of peak power and 160Nm of torque.

Pair that with the 9-speed drivetrain and you'll be nearly unstoppable.

The Biktrix hydraulic disc brakes provide strong & dependable stopping power. Extra traction from fat tires. Choose the 27.5×3 plus-size wheels for less drag and a great commute on multiple surfaces.

Mid-Drive Motor

The Bafang Ultra M620 mid-drive motor features 1000 watts of power and 160Nm of torque. Span cities, climb hills and explore all the places you want to go with ease.

LCD Display

The LCD Display shows all kinds of information about your ride including speed, battery life, range, odometer, pedal assist level and more.

Thumb Throttle & Control Pad

With just a push of a thumb, you can access all of the power the motor has to offer.

Suspension Fork

The RST Guide spring suspension fork provides 75mm of travel with pre-load and lockout adjustability.

Drivetrain

From climbing hills top holding maximum speed on flats, the Shimano Alivio 9 Speed drivetrain has you covered.

Hydraulic Disc Brakes

When it’s so easy to go fast, you need strong stopping power. These hydraulic disc brakes will quickly and reliably bring you to a halt.

Integrated Front Light

This bright LED light is powered by the bike’s battery and can be turned on and off with a button on the handlebar control pad.

Optional Range Extender Battery

Multiple range-extender battery options can expand your eBike’s range all the way to 160 kilometres.

Rack & Fenders

These fenders will keep you and your bike clean. Need to carry some gear? Strap it onto the rear rack and head out!

Frame 6061 Aluminum
Rear Hub 190mm 36H
Seat Post 28.6mm
Fork RST Guide w/ 80mm Travel, Lockout & Preload
Rear Axle/Skewer 5mm QR
Seat Post Clamp QR
Headset Threadless 1-1/2" 1-1/8" Tapered
Rims Black 26" / 27.5" w/ Round Cutouts
Motor Bafang Ultra M620
Shifter Rear Shimano Alivio 9-Speed Trigger
Tires 26x4", 27.5x3"
Battery Sizes Total Capacity of 52V 36.5Ah 1898Wh:
52V 17.5Ah 910Wh (Internal Battery)
Up to 52V 19Ah 988Wh (External Range Extender Battery)
Rear Derailleur Shimano Alivio 9-Speed
Brakes Biktrix Dual Piston Hydraulic w/ 180mm Rotors
Display DPC-18
Cassette 11-34T
Brake Levers Biktrix Adjustable w/ Integrated Brake Cutoffs
Lights Integrated Headlight, Integrated Taillight
Chain KMC E9s 124 Links
Handlebar 700mm Wide, 50mm Rise w/ 31.8mm Clamp
Assist Type Torque + Cadence
Crank Set 44T Chainring w/ 170mm Arms
Stem Adjustable Stem
Assist Levels 0-5
Bottom Bracket Bafang ISIS
Grips Slide-On Comfort Grips
Throttle Thumb Throttle
Front Hub 135mm 36H
Saddle Wide Spring Supported Comfort Saddle
Other Front and Rear Fenders, Kickstand, Rear Rack
Front Axle/Skewer 5mm QR

L | 18"

1 Effective Top Tube Length 560mm 22in
2 Seat Tube Length (Classic Bike Size) 460mm 18.1in
3 Reach 560mm 22in
4 Stack 520mm 20.5in
5 Chainstay Length 520mm 20.5in
6 Standover Height 450mm 17.7in
7 Head Angle 68° -
8 Seat Angle 71° -
9 Head Tube Length 180 mm 7.1 in
10 Fork Length 530mm 20.9in
11 Front Center 730mm 28.7in
12 BB (Bottom Bracket) Drop 50mm 2in
13 Fork Offset 30mm 1.2in
14 Wheelbase 1240mm 48.8in
15 Total Length 2000mm 78.7in
16 Max Seat Height 1000mm 39.4in
17 Min Seat Height 880mm 34.6in
18 Handlebar Height 1160mm 45.7in
19 Weight (Without Battery) 34kg 75lb


M | 16"
1 Effective Top Tube Length 560mm 22in
2 Seat Tube Length (Classic Bike Size) 420mm 16.5in
3 Reach 520mm 20.5in
4 Stack 500mm 19.7in
5 Chainstay Length 480mm 18.9in
6 Standover Height 430mm 16.9in
7 Head Angle 68° -
8 Seat Angle 71° -
9 Head Tube Length 180 mm 7.1 in
10 Fork Length 530mm 20.9in
11 Front Center 710mm 28in
12 BB (Bottom Bracket) Drop 40mm 1.6in
13 Fork Offset 30mm 1.2in
14 Wheelbase 1240mm 48.8in
15 Total Length 2000mm 78.7in
16 Max Seat Height 1000mm 39.4in
17 Min Seat Height 830mm 32.7in
18 Handlebar Height 1100mm 43.3in
19 Weight (Without Battery) 33.5kg 73.9lb
  • Dual Motor Power: The Juggernaut Ultra Duo features dual 750W mid-drive motors, offering incredible power and performance, perfect for tackling steep hills, rough terrain, or off-road trails.
  • Step-Through Design: The easy-to-access step-thru frame enhances convenience, making it more accessible for riders of all ages and abilities.
  • Long Range & High Capacity: Equipped with a large battery, the bike ensures long-distance rides with excellent range, making it ideal for long commutes or adventure cycling.
  • Advanced Suspension: The full suspension system absorbs shocks and bumps, providing a smooth and comfortable ride across uneven surfaces.
  • Durable & Strong Frame: The sturdy frame is built to withstand rugged conditions while maintaining excellent stability and handling.
  • All-Terrain Capability: Designed for versatility, the bike performs well on both paved roads and off-road trails, making it perfect for exploring different environments.
  • High-Quality Components: Features top-tier components for a reliable, comfortable, and high-performance cycling experience.

Q: What is the Biktrix 2024 Juggernaut Ultra Duo 4 Step-Thru Mid-Drive Electric Bike?
A: The Biktrix 2024 Juggernaut Ultra Duo 4 is a high-performance mid-drive electric bike with a step-through frame, designed for both comfort and power. It features a powerful motor, long-range battery, and durable components, making it ideal for urban commuting, long rides, and off-road adventures.

Q: What are the key features of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: Key features include a mid-drive motor for efficient power delivery, a step-through frame for easy mounting, dual battery setup for extended range, hydraulic disc brakes for smooth stopping, and high-quality suspension for a comfortable ride on rough terrain.

Q: What is the range of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: The bike offers a range of up to 60-80 miles per charge, depending on factors such as rider weight, terrain, and riding style, thanks to its dual battery system.

Q: How fast can the Biktrix 2024 Juggernaut Ultra Duo 4 go?
A: The bike can reach speeds of up to 28 mph (45 km/h), offering a fast and thrilling ride for both commuting and recreational purposes.

Q: Is the Biktrix 2024 Juggernaut Ultra Duo 4 suitable for off-road riding?
A: Yes, the mid-drive motor, full suspension, and powerful brakes make the Juggernaut Ultra Duo 4 highly suitable for off-road riding, including trails and rough terrains.

Q: How long does it take to charge the Biktrix 2024 Juggernaut Ultra Duo 4 battery?
A: The battery typically takes 6-8 hours to fully charge, depending on the charger and battery level, but with two batteries, you can continue to ride while one is charging.

Q: What is the weight of the Biktrix 2024 Juggernaut Ultra Duo 4?
A: The bike weighs approximately 70-75 lbs (32-34 kg), making it sturdy but still manageable for handling.

Q: Does the Biktrix 2024 Juggernaut Ultra Duo 4 come with a warranty?
A: Yes, the bike comes with a limited warranty. For full warranty details, please check with the retailer.

Q: Can I customize the Biktrix 2024 Juggernaut Ultra Duo 4 with accessories?
A: Yes, the bike is compatible with a variety of accessories, including racks, fenders, and lights, to enhance your riding experience.

Q: Is the Biktrix 2024 Juggernaut Ultra Duo 4 easy to assemble?
A: The bike comes partially assembled, with clear instructions for easy final assembly. Professional assembly is recommended for optimal performance.

  1. Battery Care: Charge the battery regularly, keeping it between 20-80% for optimal lifespan. Avoid deep discharges and overcharging. Store the battery in a cool, dry place when not in use for long periods.
  2. Clean the Bike: Wipe the frame, motor, and drivetrain with a soft cloth and mild detergent. Avoid spraying water directly on electrical components, including the motor and battery.
  3. Tire Pressure: Regularly check tire pressure to ensure it's within the recommended range. Proper inflation improves ride quality and reduces wear on the motor.
  4. Lubricate the Chain: Lubricate the chain periodically to prevent rust and ensure smooth shifting. Wipe off excess lubricant to avoid attracting dirt.
  5. Inspect Brakes: Check brake pads for wear and ensure brakes are functioning effectively. Replace pads when they are worn down to maintain stopping power.
  6. Motor and Wiring: Inspect motor and wiring connections for any signs of damage, wear, or loose connections. Tighten or replace as necessary to ensure optimal motor performance.
  7. Suspension Maintenance: If the bike has suspension components, check them for proper alignment, cleanliness, and smooth operation. Lubricate and service suspension parts as recommended by the manufacturer.
  8. Check the Crankset and Pedals: Periodically inspect the crankset and pedals for wear or damage. Ensure they are securely tightened.
  9. Proper Storage: Store the bike in a dry, cool environment. If not in use for a long period, disconnect the battery and store it separately, maintaining a charge level of about 50%.