Components

The Luna Wolf Pup Battery Pack

Aug 10, 20195 Comments

Last year, Luna Cycles produced a battery pack that was fully potted, and every cell is individually fused. They call it the Wolf pack. This

The Revel Propulsion Lightweight 450W Mid D...

Jul 27, 20192 Comments

This is a new product, but it’s coming from someone we have known for a long time. Paul Daniel was formerly an engineer at Brammo

Mongoose Envoy, a new longtail cargobike

Mar 09, 201910 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

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

Feb 06, 20191 Comment

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

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

Jan 30, 20198 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, 201914 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

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

Dec 16, 20184 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

TSDZ2, mini 750W mid-drive with torque sens...

Dec 01, 201818 Comments

The TS in TSDZ2 stands for Tong Sheng, and that company decided a few years ago to make a mid drive kit that was as

Mobipus hot rod controllers, and Shenta Tsa...

Nov 19, 20182 Comments

Over the last year, I would occasionally hear about these new Mobipus controllers. Once a few hot-rodders I know got their hands on one and

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

Jul 26, 201718 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