How to build an amazing DIY electric powered fat bike with car wheels and motorcycle tires

In this video you see me building an electric powered fat bike with car wheels and motorcycle tires. The video contains the full build start to finish. I added chapters below to easily navigate through the video.

I used the front wheels of a Porsche Boxster. They were a good fit because they are only 7 inches wide, so it was possible to mount 190-50-17 motorcycle tires.

Electronics, motor and wheel hub are from a salvaged e-bike that was all Bosch equipped. I used the Shimano 8 gear hub to be able to change gears.

Also I wanted something special for the steering system so I built a system with hinges and pushrods which works very well and looks really cool :)

Almost 2 years ago I built my first fat bike but it had some flaws. It was really heavy due to the 20 inch wheels, and brakes and motor were underpowered. So I solved all those issues in this new version.

If you have not yet seen the build video of that bike you can check it out by following the link below:
   • How to build a DIY electric powered f...  

Technical details:
7" x 17" Porsche Boxster wheels (front wheels)
190 - 50 - ZR17 Michelin Pilot Road motorcycle tires
Bosch Classic line plus mid-drive motor
Bosch PowerPack 400 - 36v 11Ah 400Wh
Range approximately 60 km
Topspeed 25 km/h (the pedal assist is electronically limited at 25 km/h because of the law in here in Belgium)
color frame: Porsche oak green metallic
color wheels: Porsche white gold mettalic

chapters:
0:00 - intro
0:30 - building the wheel hubs
12:21 - building the motor mount
13:44 - building the frame
17:56 - building the steering system
21:00 - building the "gearbox"
26:14 - welding out everything
26:38 - presentation of the finished project
28:22 - testdrive

Leave your questions and remarks in the comments below, I will be happy to answer them.

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Thanks for watching!