Fiido D4S Electric Bike

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Review & News Site for Latest Tech Products

Larger wheels, disc brakes, relatively small weight/ size and new on-board computer make the D4s one of the most interesting electric bicycles out there.

News & Review Site for Mobility Products

“FIIDO D4S is an excellent e-bike for commuting. It has a great design, is lightweight, has a high top speed, and long travel range.”

Leading Resource for Tech & Electric Products

“The D4S from Fiido is an all-around successful electric folding bike. The price is very affordable and you get good workmanship, a lot of functionality and a decent range of extras.”

The Perfect Blend of Efficiency & Portability!

The Fiido D4S folding electric commuter bike is the perfect companion for your urban adventures. With its efficient 250W rear motor, the D4S will effortlessly glide through the streets, reaching a top speed of 25km/h and providing smooth acceleration. The in-frame, removable 36V 10.4Ah Lithium-ion battery provides an impressive range of up to 80km on a single charge, so you can wander around your city without having to worry about running out of power. The 20x1.75" anti-slip tires are designed to be nimble yet stable… and you also have dual disc brakes as well as Shimano 6S transmission for efficient and controlled riding. All in all the Fiido D4S is a perfect blend of efficiency and portability, making it an ideal companion for your urban adventures.

250

W

MOTOR

16

Mph

/

25

Kph

SPEED

374

Wh

BATTERY

50

Mi

/

80

Km

MAX RANGE

Removable battery

Bright headlamp

Shimano 6S derailleur

Quick folding design

20×1.75” anti-slip tires

Fiido D4S Electric Bike

Immensely Portable

The Fiido D4S has an impressive folding mechanism which reduces it to tiny dimensions in only 3 steps. It means you cannot only use it to get from one place to another, but you can also take it with you through stairs or on the subway. Combine that with its net weight of 18.5kg (thanks to aircraft-grade aluminum construction), and you get an immensely portable ride!

Efficient Powertrain

The Fiido D4S has an ultra-efficient 250W rear hub motor which accounts for the compactness and light weight of this folding electric commuter bike. The brushless motor provides enough power to tackle all kinds of urban roads and even steep inclines at a very energy-efficient cost – what more could one ask for! It also works silently to give you a great experience.

Fiido D4S Electric Bike
Fiido D4S Electric Bike

Convenient Battery

The Fiido D4S folding electric commuter bike comes with a top-notch 36V 10.4Ah Lithium battery, which improves the overall convenience factor of this foldable electric bike by a great margin. How? It is removable, so you can charge it both in-frame or externally. Also, the battery is designed to last long to offer an extensive range of up to 80km (50 miles).

Shimano Transmission

Shimano is known industry-wide for its commendable components and vehicle parts. This is exactly why the Fiido D4S has a Shimano 6-speed shifting system. This transmission mechanism allows the user to seamlessly switch between different gears, making it easier for different types of users to make the ride conform to their riding style.

Fiido D4S Electric Bike
Fiido D4S Electric Bike

Reliable Rolling

The Fiido D4S folding electric commuter bike rides on a set of 20×1.75” CST pneumatic tires. This tire size is chosen to make sure the bike has adequate traction and road grip on any kind of surface without having too much resistance. The result is a bike that is easy to pedal, does not put too much strain on the motor, but is extremely stable on and off-road.

10 Seconds Foldable

Imagine taking about only 10-seconds time to fold and unfold an e-bike? as a matter of fact, the D4S is exactly the bicycle that implements such convenience. It is completely stress-free whether placed into car trunk, metro, or bus.

Large 20-inch Wheels

The highlight point of the Fiido D4S must be its massive 20-inch, shockproof pneumatic wheels that reach 1.75 inches in width. You will feel effortless and more comfortable while riding through terrifying terrain with those tires.

High-power Lithium Battery

With progressive lithium battery technology, the 18650-power lithium battery with 36V voltage and 10.4Ah capacity achieves an energy conversion efficiency of 85%, laying a solid foundation for a range of up to 50miles in electric moped mode.

6-speed Gear Shift System

The 6-speed gear shifter collocates with a 52-tooth large chain disk, making it much convenient for cyclists to adjust gears according to different road conditions in an instant.

SIZE & FIT

TECHNICAL SPECIFICATIONS

Max Speed

25kph/16mph

Range

80km/50 Miles

Motor Power

250W

Battery

36V 10.4Ah

Transmission

Shimano 6 Speed

Sensor

Pedal Assist Sensor

Brake

Dual Disc Brakes

Recharge Time

7h

Color

Black, White

Display

LCD Display

Tire

20×1.75" On-road Tire

Weight

18.5kg/40 lbs

Max Load

120kg/265 lbs

Water Resistance

IP54

IN THE BOX

1 x D4S eBike

1 x Pair of Pedal

1 x Pair of Fenders

1 x Battery Charger

1 x Installation Tools

1 x Adapter

HOW TO BUILD & MANUALS

What's included in the box and how to assemble the Fiido D4S.

Unlock the speed of Fiido D4S for a more thrilling riding experience.

What Online Reviewers Say

Customer Reviews

Based on 5 reviews
80%
(4)
20%
(1)
0%
(0)
0%
(0)
0%
(0)
S
S.T.
Would highly recommend

I ordered the Fiido D4S and it arrived in 3 days, exceptional delivery! The bike is fantastic, nifty, really fun to ride, not too heavy, super sturdy, and has an amazing battery life.

J
James H.

Excellent bike, really fun to ride

D
David. R.
Good little commuter

Good and nippy with a decent range. Just a few little niggles, the tyres could be less slick with a bit more tread for safety, I had to re tension the back wheel spokes to align the rim and it would be great if the battery was removable. If it wasn't for that it would have been 5 stars

T
Terry B.
An awesome bike for the money

Bike arrived within a few days, was a breeze to assemble and runs great straight out of the box. Needed to tighten some loose spokes otherwise nothing needed. Struggled to get speed limiter unlocked but on reflection bike is plenty fast enough for Detroit potholes in standard speed so enjoying it without unlocking extra speed.
Really a great bike for the money.

D
Dorette K.
Superb

I had the D2s for 2 yrs and loved it but the D4s has bigger wheels which has made all the difference to me. I love that these bikes have a throttle as well as pedal assist and would strongly recommend to anyone. Thank you.

We offer free shipping for all products to the US, Canada, and Europe, and deliver them within 3-5 working days. Some exclusions apply.

As a bulk dealer, our prices are the lowest in the market. So when buying from us, you can be sure of getting the best rates possible.

You’ll be thrilled with our products. However, if you change your mind, you can send them back for return/ exchange within 7 days. Terms apply.

Our e-bike experts & customer service staff are always there to offer multilingual support related to any technical or non-technical issue.

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