🚲 Custom 18KW (18,000W!?) E-bike! Urban "Super Cruiser" Fat Tire Mid-Drive Ebike - DIY Full Build!

Описание: Build of my custom DIY urban "super cruiser" ebike (electric bike) with an 18KW mid-drive motor!

Taking it back to the beginning! This is the first ebike I had ever made (back in 2016-2017!) and it’s a bit over the top. This all started because a few friends at work said they wanted to make their own ebikes and prior to that I wasn’t particularly interested in bikes or ebikes for that matter.

I did learn a lot as one would expect from their first ebike build. What I didn’t realize at the time was that just because your motor can handle a ton of power, it’s a bit meaningless unless your battery can supply that power. I figured a battery is a just a battery, but the battery is as critical of a component as your motor and controller. All of these components need to be balanced to achieve the best performance.

Because of the battery limitations the total output is more likely in ‘only’ the 4000-5000W range, which is nowhere near 18KW! But it’s still a ridiculous amount of power for a regular bicycle frame, and although I never did a full speed run (was too scary at the time for me) I estimate the top speed to be between 45-50MPH which is plenty fast for a bike. I actually really like cruiser frames, they are super comfortable and have a more 'retro' look, I don't think they get enough credit.

I built this bike long before I ever thought I would ever be creating videos or content so I don’t really have any footage of the bike in action, but I did take a lot of pictures along the build. Maybe it will inspire you on your own builds.

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⛧ \\ Table of Contents: \\ ⛧

00:00 - Intro
00:27 - Components
01:03 - Motor mount
02:17 - Battery mount
02:54 - Battery box / lighting / wiring
04:43 - Testing progress
05:09 - Painting
05:43 - Reassembly
06:38 - Custom dashboard
07:23 - Completed build
08:48 - Night shots
09:58 - Next time \ outro

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\\ Ebike [1.0] - 18KW Urban “Super Cruiser” E-Bike \\

1. The Frame
Made by the company SIKK, this giant steel frame fat tire beach cruiser has cool ‘chopper’ style ape hanger handlebars and a matte black finish. They call it the UFO and I guess it’s because it’s so unique for a cruiser. I wanted a frame that would be strong enough to handle the power and large enough to house all of the components. SIKK UFO Fat Tire 7-Speed Bike (https://sikk.com/sikk-ufo-7-speed-fat...)

2. The Motor + Controller Kit
Made by the Taiwanese company Cyclone Ebikes, this behemoth of a motor is a 72v (up to 104v??)
18kw Triple chainwheel kit (https://www.cyclone-tw.com/product/6/...)

The controller is a 150A sinewave controller. It looks like they now include an LCD display (my kit did not include it).

3. The Battery
This is where I made my ‘noob mistake’ - I should have bought a much bigger pack with a much higher discharge rate - it’s a 72v 25AH battery with a 50A BMS (80A peak). To utilize the full power of the motor I should have had at least 50AH pack with a 150-200A BMS.

The link to this product is no longer up from the seller, but any 72v 25AH pack would give you a similar experience. The pack I bought did have Panasonic cells.

4. Miscellaneous Other Parts
18W headlight eBay link
Motorcycle handlebar controls (turn signal, headlight switch, etc)
Army surplus ammo can (don’t remember the caliber)
U bolts from McMaster-Carr
Flat aluminum and steel bars from Home Depot
That’s pretty much it!

⛧ \\ Full write-up with pics is on the main site: https://hightech-lowlife.github.io/pr...

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