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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.
Simple. Capable. Affordable.
The Hub Duo is our most user-friendly & affordable eBike in the Juggernaut family. Juggernaut Hub Duo Step-Thru Small
Thanks to the 750W hub-drive motor, you’ll get an easy-going ride with plenty of power to boost you up those tough hills. Mix that with our 5-star customer service and you’ve got yourself a perfect entry-level eBike. Juggernaut Hub Duo Step-Thru Small
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Bells & Whistles? You Bet.
750W Hub Motor
The powerful hub-drive motor features 750 watts of power and 80Nm of torque. This allows you to span cities, climb hills, and explore all the places you want to go with ease. Juggernaut Hub Duo Step-Thru Small
Optional Range Extender
Multiple range-extender battery options can expand your eBike’s range all the way to 100 miles. Juggernaut Hub Duo Step-Thru Small
LCD Display
The LCD display shows all kinds of important information about your ride including speed, battery life, range, odometer, pedal assist level and more. Juggernaut Hub Duo Step-Thru Small
Technical Specifications
FRAME
6061 Aluminum
BRAKES
Biktrix Dual Piston Hydraulic Brakes w/180mm Rotors
FORK
RST GUIDE, 80MM TRAVEL, PRE-LOAD ADJUSTABLE AND LOCKOUT
BRAKE LEVERS
Biktrix Adjustable
HEADSET
Threadless 1-1/8 1-1/2 Tapered (18.5″ SO / 18.5″ ST/17″ ST)/ Threadless 1-1/2″ Straight (ST 20)
HANDLEBAR
700mm Wide, 31.8mm clamp (18.5″ SO / 18.5″ ST/17″ ST) / 690mm Wide, 20mm Tall, 22.2mm Clamp BMX Style (ST 20)
SHIFTER REAR
Shimano Altus 9 Speed Trigger
STEM
Adjustable Stem (18.5″ SO / 18.5″ ST/17″ ST) / 90mm Solid (20″)
REAR DERAILLEUR
Shimano Altus 9 Speed
GRIPS
Slide-On
CASSETTE
Shimano 11-34T
SEAT POST
28.6mm
CHAIN
KMC e9s
SEAT POST CLAMP
QR
CRANK SET
44T Chainring w/ 180mm Arms
SADDLE
Biktrix Comfy Saddle
BOTTOM BRACKET
Square Taper w/ Integrated Torque Sensor
MOTOR
750W Rear Hub
FRONT HUB
135mm 36H
DISPLAY
500C
FRONT AXLE/SKEWER
5mm QR
LIGHTS
Integrated Headlight, Taillight
REAR HUB
Motor
THROTTLE
Thumb Throttle
REAR AXLE/SKEWER
Bolt-On
ASSIST LEVELS
0-5 (0-3, 0-9)
RIMS
Black, 36H
ASSIST TYPE
Torque
TIRES
20×4″, 24×4″, 26×4″, 27.5×3″
OTHER
Front and rear fenders, rear rack, kickstand
Size & Fittings
| 1 | Effective Top Tube Length | 620 mm | 24.4 inches |
| 2 | Seat Tube Length (Classic Bike Size) | 420 mm | 16.5 inches |
| 3 | Reach | 540 mm | 21.3 inches |
| 4 | Stack | 600 mm | 23.6 inches |
| 5 | Chainstay Length | 430 mm | 16.9 inches |
| 6 | Standover Height | 420 mm | 16.5 inches |
| 7 | Head Angle | 67 ° | – |
| 8 | Seat Angle | 73 ° | – |
| 9 | Head Tube Length | 190 mm | 7.5 inches |
| 10 | Fork Length | 430 mm | 16.9 inches |
| 11 | Front Center | 780 mm | 30.7 inches |
| 12 | BB (Bottom Bracket) Drop | 30 mm | 1.2 inches |
| 13 | Fork Offset | 30 mm | 1.2 inches |
| 14 | Wheelbase | 1220 mm | 48 inches |
| 15 | Total Length | 1850 mm | 72.8 inches |
| 16 | Max Seat Height | 950 mm | 37.4 inches |
| 17 | Min Seat Height | 800 mm | 31.5 inches |
| 18 | Handlebar Height | 1080 mm | 42.5 inches |
| 19 | Weight (Without Battery) | 27.3 kg | 60.2 lb |
Brian –
So far so good. I am really enjoying my new bike. I am getting lots of great comments about the bike from other people. Everything is working fine and I am putting lots of km on.
James –
My first e-bike. What a blast! Well made, solid, sturdy and easy to ride. Cover double the distance than on a standard bike with ease while choosing the level of exercise you want. The faster you want to go the higher the gear setting and power assist you need. There is a bit of a learning curve, but after three 30km rides on the local dykes I think I understand how to get the most out of it. Blasting around at 32km/hr is fun, but gobbles up the battery within 30km. With power assist level 2 you can travel at 22km/hr with ease or at 24km/hr by adding some of your own effort if you want a workout, and yet consuming only one or two bars of assist energy. 80km should then be possible on one battery charge on level gravel paths. 100km may be possible on level tarred roads. You do have to get used to the weight of the bike and overcoming the rolling resistance of the fat tires is made clear when you switch off all power assist. To compensate for the weight and rolling resistance a power assist setting of at least 1 is required. Lifting the bike onto a car bike rack also requires some practice – one wheel at a time is easiest.