How to Build Yourself

Adding the Bafang Ultra Max to a Frame

Apr 16, 2019No Comments

Before we get started, adding a Bafang Ultra Max to a frame will involve welding, so if you don’t weld, or…you don’t know someone who

Introduction to battery pack design and bui...

Mar 30, 20192 Comments

If you are new to battery-pack building, but you are also a pretty capable fabricator, this article will define some of the common materials and

Introduction to battery pack design and bui...

Feb 21, 20198 Comments

Most garage-builders who decide to assemble their own battery pack usually have a lot of experience. However, pack-building continues to be a frequent source of

Making a Resistance Soldering Unit, and may...

Dec 25, 20186 Comments

Most ebike builders have never seen a resistance soldering unit, so they don’t know that it’s an option when you are moving up to soldering

Custom Build Gallery, Joel’s Yuba Car...

Dec 16, 20183 Comments

There are several things I really like about this build, and if I was building a daily commuter, a longtail electric cargobike with a large

Hands on building a mid drive e-trike

Feb 20, 201811 Comments

Guest post by Brian Lynch Ok, so you want to build an e-trike. Yeah, me too. Above is the result. Goal achieved, bye, thanks for

Ferro Fluid Installation Guide

Feb 13, 20183 Comments

If you want to install Ferro Fluid in your large direct-drive hubmotor, this is a pictorial to help you do that. Ferro Fluid (FF) doesn’t

Build a Great-Looking Ebike Battery Box for...

Oct 22, 201711 Comments

by Patrick M. They say necessity is the Mother of Invention. That was certainly the case when I decided to build my own hard battery

The DIY Junkyard E-BMX Friction Drive

Jul 30, 2017No Comments

I have seen youtube videos on a regular basis that show an old cordless drill being used as a drive-motor for a small bicycle. I’ve

What’s inside an 18650 cell? And why ...

Jul 26, 201711 Comments

There has been a boom in ebike builders making their own battery packs out of the popular 18650-format cells (18mm diameter, 65mm long), and I