How to Build Yourself

Building a safe high-amp battery pack from ...

May 10, 20212 Comments

The methods used to build a battery pack from cylindrical cells are fairly well known, but pouch cells don’t seem to have a decent article

Converting Off-Road Motorcycles to Electric...

Apr 13, 20211 Comment

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, 20203 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, 20208 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, 201912 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, 20191 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

Finally: An article on how to buy an ebike ...

Nov 19, 201911 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, 201912 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, 20194 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