the fancy backrest in magnesium with a fancy battery

The Fiido X folding electric bicycle is the latest version of Fiido’s modern version of the classic folding bicycle. Not only are these e-bikes easier than ever to ride, thanks to their pedal assist feature, they now come with sophisticated new technology to lock in that innovative seat tube battery.

The Fiido X was originally released as part of a crowdfunding campaign earlier this year. But for those who didn’t want to take a risk on an Indiegogo project, now is your chance to grab a full production model. And to let you know if it’s worth it or not, I put my body on the line to test this new electric bike with the most sophisticated and complicated battery locking mechanism I have ever seen.

Technical specifications of Fiido X

  • Motor: 350W Rear Gear Hub Motor
  • Top speed: 25 km / h (15.5 mph)
  • Claimed scope: Up to 130 km (80 mi) (also: lol)
  • Drums: 36 V 11.6 Ah (418 Wh)
  • Weight: 17 kg (37 lb) with battery
  • Maximum charge : 120 kg (265 lbs)
  • Framework: Magnesium
  • wheels: 20 inches
  • Brakes: Hydraulic disc brakes
  • Supplements: Integrated LED front / rear lights, torque sensor for three levels of pedaling assistance, large LED display, battery integrated in the seat, digital combination lock, robust kickstand
  • Price: $ 1,599, but you can enjoy a solid $ 20 discount with promo code ELECTREK

Fiido X video review

The Fiido X is certainly one of the most innovative folding electric bikes on the market. You must see this one in action. Take a closer look at the bike in my video review below.

What makes the Fiido X different?

There is a stack of unique features here. The magnesium frame keeps the bike relatively light (for an e-bike) at just 17 kg (37 lbs).

The folding mechanisms have been reworked with a sleek central folding system that hides most of the hinge and streamlines the handle.

And the battery is built into the seat to remove any bulky frame parts or bolt-on batteries that would otherwise ruin the clean lines of the modern-looking e-bike.

The few other seat tube e-bikes, including the previous version of Fiido’s foldable e-bike known as the Fiido D11, require an electrical cord to be plugged in or unplugged each time you insert or remove the battery. This is how you get that stored power from the seat tube battery in the bike.

But with the Fiido X, they designed this innovative rail system that drives the electric blades into the hidden battery rails, engaging the battery. Making it even cooler is that the rails are engaged simply by locking the seat tube in place with the quick release lever. This means that when you insert the seat, the same action that locks the seat at the desired height also invisibly makes the electrical connection to the battery.

With non-locking seat tube batteries, you need to bring the seat with you whenever you park to prevent someone from stealing it. But the Fiido X incorporates a digital lock into the bike that prevents unauthorized hands from your expensive battery.

The same lockout combination is also used to start the bike, meaning the bike can only be turned on by the owner (or a friend of the owner who is aware of the combination).

The seat tube battery is arguably the Fiido X’s most notable feature, and its 418 Wh capacity is much larger than you might expect to be crammed into such a small space.

Fiido claims you can get 130 km (80 miles) of range with this battery, ha!

Okay, great – that might actually be possible if you leave it at pedal assist level 1. Many e-bike manufacturers program their lowest assist level to be super low so to barely sip the battery. This means that you can get extreme ranges from the bike. But most people are likely to use levels 2 or 3 which provide more power, especially since the bike does not have a throttle.

What the bike does offer, however, is a torque sensor, which works great. As soon as I step on the pedal with decent pressure, I almost instantly feel the motor assistance starting. There isn’t the telltale delay found in cadence sensors.

Torque sensors are the best way to activate pedal assistance because they offer the most natural assistance. The bike turns on when your legs turn on and the bike slows down as your legs loosen up on pedaling. It just works as you intuitively expect. Fiido has definitely hit the nail on the head in this regard.

The bike is not particularly fast, mind you. In the United States, this is a Class 1 electric bike, which means you can ride up to 20 mph or 15.5 km / h. It’s a decent commuter speed for the bike path, but you won’t keep up with traffic in most towns. The European version of the bike is even slower at 15 mph or 25 km / h. It’s way too slow if you want my opinion, but again it’s the legal limit there, so what can you do? Also, that tiny 250 watt motor in the rear wheel isn’t exactly designed for high speed riding either, so you pretty much use the bike to its fullest when flying at high speed. If that makes you feel better, the motor has a peak power of 350 watts, so it’s technically more powerful than the smaller 250W motors.

Like any good folding electric bike, the Fiido X is simple to fold up and quite easy to transport due to its under-normal weight of 17 kg (37 lbs). The front folding mechanism appears to be from bicycle maker Dahon (which I deduced from the “Dahon” printed inside). The rear mechanism could be Fiido’s own design, which would make sense as it looks very personalized for the new Fiido X frame. It’s easy to use and appears to be part of the frame when not in use. In my opinion, it looks a lot prettier than the bulky handles found on most backrests.

Other commuter accessories complement the bike nicely, such as narrow CST tires, built-in lighting, hydraulic disc brakes, and basic but acceptable display. Some fenders would be good for rainy areas, but you can probably add your own fenders to the mount points if you really need to.

For the current price of $ 1,599 (or $ 1,579 with promo code ELECTREK), this is a neat electric bike. It was an even better deal at $ 1,099 during the Indiegogo campaign earlier this year, but that’s what you get for not risking it with a pre-order.

While some might think of the lack of low end power, the bike is obviously designed for those who are already pedal-centric. This is not a mini motorcycle, it is a traditional pedal assisted electric bicycle.

There are cheaper, faster, and more powerful e-bikes out there, but that’s not what everyone is looking for. Sometimes a clean and lightweight foldable electric bike with modest horsepower is better suited to a real commuter electric bike.

Some suspension may be desirable for those with a pampered butt, although regular bike commuters will often swap the suspension for more durable, lighter parts.

So for a light and interesting electric bike, the Fiido X arises on several levels. It has innovative technology, a solid pedal assist system and enough battery for any reasonable ride. Not bad, Fiido!

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