• Biktrix Juggernaut Ultra Duo 4 Step-Thru - Freedom Mobility
  • Biktrix Juggernaut Ultra Duo 4 Step-Thru - Freedom Mobility
  • Biktrix Juggernaut Ultra Duo 4 Step-Thru - Freedom Mobility
  • Biktrix Juggernaut Ultra Duo 4 Step-Thru - Freedom Mobility
  • Biktrix Juggernaut Ultra Duo 4 Step-Thru - Freedom Mobility
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Biktrix Juggernaut Ultra Duo 4 Step-Thru

Biktrix Juggernaut Ultra Duo 4 Step-Thru

$2,749.00 USD
$4,499.00 USD $2,749.00 USD
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Shipping calculated at checkout.

The Duo Series Ebikes For Everyone

The Juggernaut Duo Series is all about flexibility. Hub-drive or mid-drive, step-over or step-thru, single battery or dual battery, entry-level or high-end. No matter your needs, there's probably a Duo for you.

Welcome To The Big Leagues

The Ultra Duo 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 11-speed drivetrain, and you'll be nearly unstoppable.

ULTRA POWERFUL. ULTRA LOADED 

  • Mid-Drive Motor
  • LCD Display
  • Thumb Throttle & Control Pad
  • Suspension Fork
  • Drivetrain
  • Hydraulic Disc Brakes
  • Integrated Front Light
  • Optional Range Extender
  • Rack & Fenders
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Distance Range

PAS 1
Pedal-Assist Lv.1
52mi
PAS 2
Pedal-Assist Lv.2
43mi
PAS 3
Pedal-Assist Lv.3
38mi
PAS 4
Pedal-Assist Lv.4
35mi
PAS 5
Pedal-Assist Lv.5
31mi
THRL
Throttle Only
22mi
**Please note that information regarding the expected range on a single charge on one of our e-bikes is an estimate, not a guarantee. There are many factors that contribute to the actual, real-world range for an e-bike battery such as the age of the battery, temperature, level of assist, speed, payload, and terrain. Depending on these various conditions, it is possible to get less than the expected minimum range or greater than the expected maximum range.

Technical Specifications


Frame
6061 Aluminum

Front Hub
135mm 36h

Seat Post
28.6mm

Fork
Rst Guide W/75mm Travel, Lockout & Preload

Front Axle
5mm Qr

Seat Post Clamp
Qr

Headset
Threadless 1-1/2" 1-1/8" Tapered

Rear Hub
190mm 36h

Motor
1000w Bafang Ultra M620

Shifter Rear
Shimano Alivio 9 Speed Trigger

Rear Axle
5mm Qr

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

Rims
26" Black With Round Cutouts / 27.5" Black Solid

Display
Dpc-18

Cassette
9 Speed 11-34t Cassette

Tire Sizes
26x4", 27.5x3"

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

Brakes
Biktrix Dual Piston Hydraulic W/180mm Rotors

Saddle
Wide Spring Supported Comfort Saddle

Other
Front And Rear Fenders, Kickstand, Rear Rack

Brake Levers
Biktrix Adjustable W/ Integrated Brake Cutoffs

Size & Fittings

 

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

 

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
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