Components

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

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, 20194 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, 20182 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, 20189 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, 20181 Comment

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, 20178 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

The New 21700 format Lithium Cells in 2017

Jun 16, 201716 Comments

EDITOR NEWS UPDATE OCTOBER 2017: Luna Cycle  has just announced their flagship ebike the Luna Apex which has 52v 28ah in a carbon case comprised

Using cordless tool batteries for an ebike

May 11, 201719 Comments

If…the idea of using cordless tool batteries to power an ebike has ever crossed your mind? You are not alone. After some research, I found

Ferrofluid and Hubsinks for HOT Direct Driv...

Apr 02, 2017No Comments

Ferrofluid is an amazing substance if you own a large Direct Drive  hubmotor. It does NOT benefit geared hubs or mid drives, but…if you like