How to Build Yourself

Converting Off-Road Motorcycles to Electric...

Apr 13, 2021 No Comments

This last year I’ve seen a boom in motorcycle conversions to electric drives, and after scanning the components used, it looks like the Quan Shun

Use a Junked Chevy Volt Pack to Power Ebike...

Nov 27, 2020 3 Comments

A good friend of mine, Laurence who is also ebike obsessed rode his ebike from Ithaca, NY to Washington DC last year. This trip without

How to sell a used ebike and never lose mor...

Feb 14, 2020 6 Comments

In the last 6 years I have bought and sold a lot of ebikes. Although I currently have almost a dozen ebikes, I have sold

How the California Ebike law has brought fa...

Dec 06, 2019 12 Comments

Before California came up with their ebike law it looked like mainstream ebikes in the US were going to stay 750 Watts and speed limited

Care and feeding for your high power mid-dr...

Dec 05, 2019 1 Comment

I love mid-drives, just read any article I’ve ever written and if you don’t come away with anything else, you’ll feel my love for high

最后:一个article on how to buy an ebike ...

Nov 19, 2019 11 Comments

It’s interesting to me how many blogs have done articles on how to buy ebikes, but frequently their articles highlight a bunch of different ebikes

Introduction to battery pack design and bui...

Jun 26, 2019 10 Comments

This third installment is mostly about the special considerations that are needed when building a high-amp battery pack, plus…I will list some of the products

Using an eccentric bottom-bracket adapter t...

Jun 22, 2019 4 Comments

Older bicycles (and many of the newer affordable style) do not use the common Shimano threaded cartridge bottom-bracket. Instead, they use a larger-diameter smooth tube

添加Bafang超帧马克斯

Apr 16, 2019 7 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, 2019 8 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