Juggernaut Ultra Duo Pro ST
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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.
Watch this video to see how The 3 Duo models stack up.
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.
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 important information about your ride including speed, battery life, odometer, pedal assist level and more.
Thumb Throttle & Control Pad
With just a push of the thumb, you can access all of the power the motor has to offer. No need to pedal, just sit back and enjoy the ride.
Suspension Fork
The RST Renegade coil spring fork provides 100mm of travel with pre-load and lockout adjustability
Drivetrain
From climbing hills to holding maximum speed on the flats, the SRAM NX 11-speed drivetrain has you covered.
Hydraulic Disk 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/off with a button on the handlebar control pad.
Optional Range Extender
Multiple range-extender battery options can expand your eBike's range all the way to 100 miles.
Rack & Fenders
These fenders will keep you and your bike clean. Need to carry some gear? Strap on the rear rack and make your way!
Juggernaut Ultra Duo Pro ST Specifications
Frame6061 Aluminum |
Front Hub150mm 36h |
Seat PostAluminum 28.6mm |
ForkRst Renegade Coil Spring W/100mm Travel, Lockout & Preload |
Front Axle15mm Qr-Thru Axle |
Seat Post ClampQr |
HeadsetThreadless 1-1/8 1-1/2 Tapered |
Rear Hub190mm 36h |
MotorBafang M620 Ultra |
Shifter RearSram 11 Speed Trigger Shifter |
Rear Axle5mm Qr |
Battery SizesTotal Capacity Of 52v 34ah 1794wh:52v 17.5ah 910wh (Internal Battery) + Up To 52v 17ah 884wh (External Range Extender Battery) |
Rear DerailleurSram Nx 11 Speed |
RimsBlack 24", 26", 27.5" 36h |
DisplayDpc-18 |
Cassette11 Speed Sram 11-42t Cassette |
Tire Sizes24x4", 26x4", 27.5x3" |
LightsIntegrated Headlight, Taillight |
ChainKmc E11s |
Handlebar650mm Wide Mtb W/30mm Rise, 31.8mm Clamp |
Assist TypeTorque + Cadence |
Crank Set44t 170mm Arms |
Stem90mm Adjustable |
Assist Levels0-5 |
Bottom BracketBafang Isis |
GripsSlide-On Comfort Grips |
ThrottleThumb Throttle |
BrakesBiktrix Dual Piston Hydraulic W/ 180mm Rotors |
SaddleBiktrix Spring Supported Comfy Cruiser |
OtherFront And Rear Metal Fenders, Rear Rack, Kickstand |
Brake LeversBiktrix W/ Adjustable Reach And Motorcutoffs |