All posts by spinningmagnets

Grew up in Los Angeles California, US Navy submarine mechanic from 1977-81/SanDiego. Hydraulic mechanic in the 1980's/Los Angeles. Heavy equipment operator in the 1990's/traveled to various locations. Dump truck driver in the 2000's/SW Utah. Currently a water plant operator since 2010/NW Kansas

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

Schwinn selling Bosch mid-drives on Amazon

Mar 26, 20192 Comments

Schwinn is now selling Bosch mid-drive ebikes through Amazon, and I’ll tell you why this is news. Schwinn I grew up in Southern California, and

Mongoose Envoy, a new longtail cargobike

Mar 09, 20197 Comments

This isn’t an electric bike, but cargobikes are one of the best platforms for building an ebike. They have always been expensive, and this new

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

Cycle electric Komsa, a stylish upscale cit...

Feb 07, 20192 Comments

This German ebike has an elegant and subtle style that caught my eye. Style may not be hugely important to most people, but I think

TQ-Systems mid-drive, the German off-road h...

Feb 06, 2019No Comments

TQ used to be called “Clean Mobile”, in case this drive looked familiar to you. But they didn’t just change their name, they also made

Pedego finally has mid drives, plus Captain...

Feb 01, 20196 Comments

This is news because Pedego sells more turn-key ebikes in North America than anyone else. What makes it strange is that they waited so long

12 All-In-One Hubmotors, because I keep get...

Jan 30, 20194 Comments

When it comes to installing an electric bike kit, many potential buyers are nervous about the technical difficulties of that task, and they are drawn

Bafang Ultra Max, the new big dog on the po...

Jan 14, 20199 Comments

The Bafang Ultra Max mid-drive has the biggest motor you can buy in a factory turn-key ebike right now. It is labeled as a 1,000W