Biktrix Juggernaut Ultra Duo 4 ST

Call us at (888) 612 9883
Regular price $2,999.00
Regular price -14% $3,499.00 Sale price $2,999.00

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Unlock the full potential of your biking adventures with the Bafang Ultra M620, the most powerful torque sensor electric bike on the market today. Designed for riders who demand the highest levels of performance, power, and versatility, the Bafang Ultra M620 is the ultimate choice for conquering any terrain with confidence.


  • 1000W Bafang Ultra M620 Mid-drive Motor: Experience unmatched power and performance, ensuring effortless navigation through any terrain.
  • 160Nm of Torque: Conquer even the most extreme hills and trails with ease, thanks to the impressive torque output.
  • 380lb Load Capacity: Carry all your essentials with ease, whether it's gear for a weekend adventure or your daily commute.
  • On-Demand Throttle: Make pedaling optional and enjoy a leisurely ride with convenient throttle control.
  • Cadence+Torque Sensor: Experience smooth and powerful pedal assist for a natural riding experience.
  • Includes 52V 17.5Ah 910Wh Internal Battery + Charger: Ride with confidence knowing you'll have ample power for your longest adventures.


  • Unrivaled Performance: Conquer any terrain with confidence, thanks to the powerful motor and high torque output.
  • Effortless Riding: Enjoy a leisurely ride with optional pedaling and convenient throttle control.
  • Versatile Use: Whether you're commuting to work or exploring rugged trails, the Bafang Ultra M620 is your ultimate companion.
  • Long-Lasting Power: Ride with confidence knowing you'll have plenty of battery life for your longest adventures.

Experience the thrill of the open road like never before with the Bafang Ultra M620. Order yours today and elevate your biking experience to new heights. Adventure awaits.

Biktrix Juggernaut Ultra Duo 4 ST Specifications

6061 Aluminum
Front Hub
135mm 36h
Seat Post
Rst Guide W/75mm Travel, Lockout & Preload
Front Axle
5mm Qr
Seat Post Clamp
Threadless 1-1/2" 1-1/8" Tapered
Rear Hub
190mm 36h
1000w Bafang Ultra M620
Shifter Rear
Shimano Alivio 9 Speed Trigger
Rear Axle
5mm Qr
Battery Sizes
Total Capacity Of 52v 34ah 1794wh:
52v 17.5ah 910wh (Internal Battery) +
Up To 52v 17ah 884wh (External Range Extender Battery)
Rear Derailleur
Shimano Alivio 9 Speed
26" Black With Round Cutouts / 27.5" Black Solid
9 Speed 11-34t Cassette
Tire Sizes
26x4", 27.5x3"
Integrated Headlight, Integrated Taillight
Kmc E9s 124 Links
700mm Wide, 50mm Rise W/31.8mm Clamp
Assist Type
Torque + Cadence
Crank Set
44t Chainring W/ 170mm Arms
Adjustable Stem
Assist Levels
Bottom Bracket
Bafang Isis
Slide-On Comfort Grips
Thumb Throttle
Iiipro E500 Quad Piston Hydraulic W/180mm Rotors
Wide Spring Supported Comfort Saddle
Front And Rear Fenders, Kickstand, Rear Rack
Brake Levers
Adjustable W/ Integrated Brake Cutoffs