Jetty 4.0

(4 customer reviews)


NEW Jetty 4.0


Out of stock


Fold it up and stick it in your apartment, car, closet, boat- just about anywhere, and it’ll be ready to take you wherever the day does with ease, style, and efficiency.

New Features include increased power to a 350 Watt motor and lighter Magnesium Alloy Wheels.  Available in Red or Blue

Additional Information

Blue, Red

Reviews (4)

4 reviews for Jetty 4.0

  1. admin

    “I use my Jetty for running in town errands. It is cheaper than starting my car, wasting gas, (and all that other good stuff). When folded up, I can fit it easily in my closet and out of the way.” — Glenn Ward, Hingham MA

  2. admin

    “I love the bike. It is fun & it is fast I cannot believe how much easier it is to make it up hills, I am ready to do the Tour De France. Everybody should own one of these. I am disabled so this bike is great if you have problems with your legs, as much as I do.” — Jim Tozza, Saugus MA

  3. Fay Lewis

    My Jetty has allowed me to cut my commute in half, get groceries without struggling with the transportation, run errands in a fraction of the time, plan to go to many places in 1 day when it would have otherwise been impossible, and do all of this with only having to charge a relatively small, removable battery. And, I was able to get around even when I was just getting off of crutches–it saved my legs.

    The back wheel locks, too!

  4. Stephen Linder Key West, FL and Salem, MA,

    I bought my Jetty a while back so have an earlier design.. I was an exhibitor at an AARP show and Fifield was there as well. In talking to their reps, they mentioned there was a kickstarter campaign to make significant improvements on the design. I joined the campaign and it made its goal and I ended up with a Jetty. I have now had it for 5 years and have nothing but good things to say about it. In 5 years the only issue I’ve had was my taillight stopped working. I ride it oftentimes off road since I have a house on a small island off Salem, MA. I fold it up and take it with me to Key West, Florida where I winter. I love the fact that I can use it with pedal assist or just turn the throttle. It folds up super compact and fits in the trunk of my Mercedes. I love this bike.

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  • Max Motor Speed: 20 MPH
  • Range: 30–45 miles
  • Assist: Throttle or pedal
  • Weight: 40.5 pounds
  • Warranty: 2 year- frame, battery & motor


  • Sizes: One Size
  • Color: Red or Blue
  • Motor: 350W Rear Drive Brushless Motor
  • Frame: Aluminum
  • Drive Train: Shimano Tourney SIS 8-Speed External Gears
  • Wheels: 20″ magnesium alloy
  • Tires: Kenda reflective tires with Kevlar belt
  • Braking System: Tektro mechanical disk brakes
  • Battery: Samsung 36V/10.4Ah Lithium Saddle:
  • Handlebars: Aluminum with folding stem
  • Front and Rear LED lights
  • Bell
  • Smart Power Assist

    Steep incline or bumpy terrain, the Jetty makes for smooth sailing. The highly efficient 350W brushless motor provides a range of 25-35 miles on a single charge.

  • Fun Features

    The Jetty packs a bunch of convenient features into one compact eBike. The entire frame glows in the dark so that you can feel comfortable riding in lower light conditions, and the bike itself folds to 50% its size for easy transportation and storage.

  • Superior Safety

    Be able to stop on a dime in any weather with the Tektro disc braking system. Internal gears also protect against damage from falls. And see and be seen with included head and taillights, bell, reflective tires, and fenders.

  • Strong & Silent

    The 350W rear-drive motor is so quiet that nobody will know you're riding an electric bike, yet powerful enough to give you the boost you need for easy riding.

  • Surprisingly Light

    Defying all expectations for e-bikes, the Jetty 4.0 weighs in at 40.5 lbs. It's light weight, coupled with it's folding features, make it the ideal travel companion!

  • Warranty-Backed Reliability

    Designed for long, trouble-free operation, the Jetty by Fifield carries a 2-year warranty on the frame, battery and motor.