Swytch Electric Bike Conversion Kit Review (2021)

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I often get asked the question, is the Swytch electric bike conversion kit any good? In this review, I’ll take a closer look at the kit and company and share my thoughts with you.

About Swytch

The Swytch e-bike conversion kit is the brainchild of Oliver Montague . The idea for the kit first came about in 2017, and after a successful $500,000 crowd funding campaign the Swytch e-bike kit was born.

the swytch team
20190716 Copyright James Robinson

On a personal note, I’ve had dealings with Oliver when I ran my electric bike conversion business. At the time he was running Panda E-Bikes which supplied hub motor and mid-drive conversion kits. I spoke to Oliver on a couple of occasions as I was one of their regional conversion kit installation technicians.  He always came across as a thoroughly decent chap and was very passionate about e-mobility and in particular the e-bike conversion side of things.

swytch electric bike conversion kit review
Images courtesy of Swytch

What’s special about the Swytch e-bike kit?

The huge success of the Swytch kit doesn’t particularly lie in the technology, it’s more about the simple way in which it has been implemented.

Fitting an electric bike conversion kit can be a very daunting task, particularly if you’ve never done anything like that before. There’s usually lots of cables to plug in (and tidy up), and it can take hours to fit a kit correctly.

is the swytch electric bike conversion kit any good

What the guys at Swytch have done is simplified the whole process, meaning that practically anyone can fit one of these kits with little to no prior experience.

There’s nothing new or ground-breaking about the motor – it uses tried and tested hub motor technology that’s been around for years. It’s the way the technology has been packaged, making an e-bike conversion kit for the masses.

swytch ebike front hub motor

Another really great thing about the Swytch conversion kit is the light weight. A lot of e-bike kits can add a fair bit of weight to your bike, but the Swytch has been designed to be very light indeed. The motor itself only weighs in at 1.5kg and the total package (including battery pack) weighs just over 3kg, making it one of the lightest e-bike conversion kits currently on the market.

Will the Swytch e-bike conversion kit fit any bike?

The short answer to that question is no. There are several things to take into consideration before ordering a Swytch kit.

Firstly you need to make sure your front fork has traditional quick-release drop-outs. These are found on a majority of cheaper hybrid, road and mountain bikes. But when you get to the higher-end of the market you start to see thru-axles – if your bike has these, then this kit will not be compatible.

swytch e bike kit wheel change

Another consideration is your bottom bracket – this is the bearing that is in the frame and your crank rotates on. The Swytch kit is compatible with a threaded, sealed cartridge bottom bracket with a square-tapered axle. Again, these are found on most cheaper bikes, but if you have anything expensive or fancy then the chances are you have a pressfit or external bearing bottom bracket (Shimano Hollowtech II or SRAM GXP).

How do you install the Swytch electric bike conversion kit?

This conversion kit comprises of three main components: 

A front hub motor that’s laced into a rim – most wheel sizes are catered for including Brompton (16″).

Pedal assist sensor – this is a standard PAS sensor that has the snap-together sensor ring, meaning you don’t need to have a crank-puller to remove your crank-arm.

unboxing swytch ebike conversion kit

Combined battery pack, controller and control panel – this is the genius of the Swytch conversion kit, no separate battery, display and controller to worry about. Everything is neatly packaged into a small bag that fits onto your handlebars via a mounting bracket.

Installing a Swytch electric conversion kit couldn’t be more straightforward:

You start by removing your existing front wheel and take off the tyre, inner tube, rim tape and brake disc (if you have disc brakes fitted). It’s important you don’t forget to fit the rim tape to the new wheel.

You then swap everything over to the Swytch wheel. Once fitted, inflate your tyre to the required pressure and install the wheel in the front fork drop-outs.

swytch handlebar battery pack

Next, fit the pedal assist sensor disc. There is a split magnetic sensor ring that has a circular metal clip to hold it in place. Once this has been done it’s simply a case of fitted the sensor itself. This needs to be position so the senor is aligned with the magnets on the ring – there should be no more than a 2-4mm gap between the sensor and magnetic ring. The sensor can be held in place with the supplied cable ties or strong double-sided tape.

Finally fix the battery / controller pack mounting bracket to your handlebars, attach the battery pack, plug in the motor power lead, pedal sensor lead and tidy the cables up with zip ties. Make sure the nuts on the motor axle are tightened sufficiently (but do not over tighten).

And that’s it! Your bike is now an e-bike and ready to ride (make sure battery is fully charged before first use).

What do I think about the Swytch conversion kit?

Personally, I think it’s an excellent idea. Quite often I read criticisms saying it’s overpriced and the battery is too small. But I’d have to disagree. Not everyone is mechanically-minded and can fit a Bafang or Tongsheng mid-drive motor. Some people just want to convert their trusty stead without all the fuss of removing bottom brackets and dealing with stripped crank threads.

swytch conversion riding up hill

It’s true, there are a lot of really good conversion kits out there for less money. My particular favourite is the Yose Power kit. But none are as quick and easy to fit as the Swytch.

There’s also the argument that you can buy a ready-made electric bike for less than the price of the kit, which is true. But remember, that most electric bikes at this price point use fairly low-end components and are generally very heavy – it’s not unusual to have e-bikes weighing 20-25kg. If you fitted the Swytch to an aluminium-framed hybrid bike, you’d be looking at a weight closer to 17kg all-in. Plus you get to keep and ride the bike you love.

swytch front wheel conversion kit

Regarding the battery, there are two options: The 7Ah (pro version 250Wh) and 5Ah (eco version 180Wh) – if you just want to use the assist to help with hills, but most of the time you’re happy to poodle along without the motor then both these batteries will suffice for the average town or city rider with an estimated assisted range of 30 miles for the pro version and 20 miles for the eco version.

Because the kit is so light to start with, it’s not going to stop you enjoying your bike when the assist isn’t active. Also, the small hub motor produces zero resistance with the motor off.

There was obviously a market for a quick and easy to fit e-bike conversion kit and the guys at Swytch have completely nailed it! Thanks to some very clever marketing and a great design, the Swytch has gone on to be a global best-seller. And I for one am pleased that a small British company is doing well.

Visit the Swytch website for more information

Available from Amazon

Buy from eBay

Check out more electric bike conversion kit reviews 

Thanks for reading. If you have any questions relating to this article or you’d like to leave a review of the Swytch e-bike conversion kit. Please feel free to use the comments section below. I usually reply within 24hrs.

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Swytch Electric Bike Conversion Kit

8.3

Value for Money

7.0/10

Ease of Installation

10.0/10

Performance

8.0/10

Pros

  • One of the lightest e-bike kits available
  • Easy to install
  • Looks very neat

Cons

  • Quite expensive for a hub motor kit

Tony

Passionate E-Bike advocate and enthusiast. 5 years experience converting bikes for customers primarily using Bafang and Tongsheng electric bike motors.

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