eFlow E3 Nitro Electric Bike Specs, Video, & Pictures

The eFlow E3 Nitro has landed at EBR! This is a sporty, urban style electric bike with a unique twist: the battery is hidden in the seatpost!

This is part 1 of the eFlow E3 Nitro electric bike review and it will give you an idea of what this bike is all about with info on the specifications, an in depth video with riding footage and a walk through of the eFlow features, and a bunch of pictures highlighting the

details of this unique e-bike.

Part 2 of the review will give you info on the eFlow ride characteristics, results from the range test, pros, cons, and overall thoughts on this e-road machine.

Without further ado, let’s get into it!

Checkout the Video & Pictures of the eFlow E3 Nitro E-Bike!

Here is a video with yours truly riding the eFlow and going over the features of the bike:

The eFlow is a sporty, urban, e-bike machine!

That’s the battery! The eFlow comes stock with a Samsung lithium ion 36V 10.75 ah battery pack housed in the seat post. An optional upgrade to a 36V 14.5ah is possible later this year.

This is the frame charging port on the eFlow. It takes 4-6 hours to charge the Samsung lithium ion battery.

The charger plugged into the bike charge port. The battery can also be charged off the bike.

Here is what it looks like to remove the battery/seatpost from the eFlow electric bike.

The seatpost battery can be charged off the bike with the included charger adapter. This is handy if you want to store your bike in the garage and keep/charge your battery inside.

The eFlow frame is constructed with hydroformed aluminum tubing.

The eFlow has a 500 watt direct drive TDCM motor that features a freehub body. That means that the eFlow can use a 10 speed cassette (cog set) on the rear wheel. A lot of rear hub e-bikes come with freewheels that only have 7 or 8 cogs.

The eFlow uses the Axle Release quick release system on the rear wheel. Combined with the motor cable quick disconnect, it allows for the quick removal of the rear wheel without tools.

This the motor quick disconnect. Removing the rear wheel is easy with this and the Axle Release quick releases.

The 10 speed SRAM Apex rear derailleur provides crisp and precise shifting.

The FSA Omega cranks on the eFlow.

The eFlow comes equipped with the RST suspension fork to take the edge off of rough roads!

The RST suspension fork spring rate can be adjusted using the preload dial. You can set the spring rate to your weight and how active you want the suspension to be.

Note the internal cable routing……nice way to keep things clean!

View of the eFlow control center! The display is front and center mounted on the stem.

The eFlow display gives you throttle or pedal assist (+throttle boost) options, battery life, current speed, max speed, average speed, trip distance, odometer, time, trip time, total time, and a backlight option.

The half twist grip throttle and SRAM SL700 rear derailleur shifter.

The SRAM SL700 front derailleur shifter.

The Tektro Auriga hydraulic disc brake levers have switches that will turn on the regenerative braking and stop the electrical assist when the brakes levers are engaged.

The Tektro Auriga hydraulic disc brakes provide solid stopping power. This is the front disc brake with a 180mm rotor.

The Tektro Auriga hydraulic rear disc brake with 160mm rotor. Also visible is the Axle Release quick release.

The eFlow comes equipped the Maxxis Overdrive Excel tires front and rear. These tires have an efficient road tread and a comfortable 2″ wide profile.

The eFlow can handle some dirt too! It’s not meant for off road riding but it can handle some dirt roads/paths.

Yours truly gettin my wheelie on with the eFlow electric bike!

Enjoying a ride on the eFlow.

eFlow E3 Nitro Specifications

Frame: eFlow® Exclusive 6061 Series Hydroformed Aluminum with full Fender, bottle and Rack Mounts

Fork: RST suspension fork with preload adjustment dial

Motor: Exclusive Currie Electro-Drive® TDCM 500 watt hi-torque DC direct drive motor with cassette free hub and Axle Release QR System and regenerative braking.

Battery: Samsung lithium-ion cells, with Advanced Power Management System 36V10.75Ah (387 Wh) standard. Optional 36V 14.5ah (522 Wh) pack available later this year.

Assist Options: Throttle or Pedal Assist with Throttle Boost.

Drivetrain: SRAM Apex front and rear derailleurs, FSA 10S chain and SRAM SL700 shifters, 20-speed drivetrain

Cranks and Pedals: FSA Omega CK-4000ST, compact 50/34T w/chain guard, FSA Bottom Bracket; Wellgo C-122 Pedal

Brakeset: Tektro AURIGA E-SUB hydraulic disc with 180/160mm rotors front/rear, Tektro AURIGA E-Comp brake levers with electronic switches to stop assist.

Stem & Handlebars: FSA Alloy 3D forged oversize stem and oversize bars with Velo Dual Density grips

Tires: Maxxis Overdrive Excel 26″ x 2.0″

Seat: eFflow VL-3135, Micro-Adjustable

Sizes: S (18″, 46cm), M (20″, 51cm), L (21.5″, 54.5cm), LS-S (18″ 46cm), LS-M (20″, 51cm)

Weight: 52 pounds

Price: $3,999 (at the time of review)

Here is a link to the specifications page of the eFlow electric bike.

Now checkout the full review of the eFlow E3 Nitro electric bike with info on the ride characteristics, the range test, pros, cons, and overall thoughts!

-Pete

P.S. Don’t forget to join the Electric Bike Report community for updates from the electric bike world, plus ebike riding and maintenance tips!


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7 Comments

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  1. rob April 12, 2013 at 5:50 pm #

    For the price couldn’t they make it 48 volt?.. just sayin

    • Larry Pizzi April 14, 2013 at 9:27 am #

      Hi Rob,

      Thanks for your comment regarding the battery pack voltage that we decided to use on the new eFlow.

      I take it that when you ask “for the price couldn’t they make it 48 volt” you are under the impression that a higher voltage system is superior in some way. The answer in this case is that it’s not necessarily. In developing the eFlow, the entire drive system was optimized for torque, power and to operate within the US legal limits of top speed at 36v. I think that If you were to ride it side by side with some other available ebikes on the market that do operate at 48v, you would agree that the eFlow has stunning performance in comparison to other 48v 500w hub motor drive systems. I invite you to take one for a test ride and let me know what you think.

      As battery cell technology is rapidly changing into the future, this too may change over time. There is also not a simple right or wrong answer to optimum systems voltage for ebikes.

      You might find this LinkedIn discussion on the exact subject interesting: http://www.linkedin.com/groupItem?view=&gid=2930730&type=member&item=171085781&qid=441a2678-8c5b-4e79-b14a-35d4327e26a5&trk=group_items_see_more-0-b-ttl

      Hopefully you will be able to open the link but I’m not sure it is accessible unless you are a group member.

      If there is not an eFlow dealer in your area and you would like to take a test ride, please contact me directly and I will see what can be arranged. Again, thanks for your comment.

      Best regards,
      Larry Pizzi
      lpizzi@currietech.com

  2. Mathurin April 16, 2013 at 12:16 pm #

    Nice Ebike, smart engine, and a true good job, every thing I could attempt can be find on this bike, power confort are treated with a fine,
    but I have to say that the esthetic side is not very developed,
    I care about the design, a bike must keep the elegance and lightness as much as possible,

    I guess future batteries would allow a finest saddle tube,

    • Larry Pizzi April 16, 2013 at 3:27 pm #

      Hi Mathurin,

      Thanks very much for your comments on the eFlow Nitro. Design challenges in minimizing the size of the battery pack relate to the packing enough capacity to provide expected range to the consumer. As battery cell energy density continues to improve, we can get more power into a smaller space.

      Beauty however, is in the eye of the beholder, and personally I love the looks of the eFlow :)

      Best regards,
      Larry Pizzi
      lpizzi@currietech.com

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