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DIY 18650-cell battery-pack building KITS, ...

Jun 21, 201711 Comments

Recently, we have seen several kits for assembling a battery pack out of 18650 cells. Here are some examples, so you can see if that

Custom Build Gallery, Patrick’s RC mi...

Jun 02, 20172 Comments

Patrick is a university engineering student from the Netherlands. Seven years ago (in 2010) he began posting on endless-sphere, asking questions, and building up custom ebikes…with

Using cordless tool batteries for an ebike

May 11, 201727 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

Maxwell Cycles 2017 NAHBS X01 Ebike

Apr 15, 20171 Comment

Maxwell Cycles from Petaluma (in Northern California) presented a beautiful ebike at the 2017 NAHBS, and it is an interesting example of using a hubmotor

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

How to Buy and Build a Carbon Fiber BBSHD F...

Mar 17, 20174 Comments

Untitled document   by Patrick M. I always have liked a challenge. Two challenges in one? Even better. When I decided that I had to

Upgrading Brakes, is it Worth it? (*YES!)

Feb 27, 201712 Comments

Most factory cable-operated rim brakes are actually pretty decent. Even so, their performance can be improved by simply swapping to better pads. However…I am getting

Unusual Ebike Pack Mounting Solutions

Feb 15, 20175 Comments

Most people who decide that they want to buy a kit and assemble it onto an existing bicycle frame? They have to figure out two

Custom Build Gallery, Jeff Wolf’s Dyn...

Feb 14, 20174 Comments

Jeff Wolf has been building gasser bikes for quite a while, and his skills have produced some great examples. Now? He recently became interested in electric

Blair’s E-Cruiser, using DeWalt cord...

Jan 25, 20173 Comments

Blair is a guy who works as a mechanic at a foods processing plant, and over the years he has seen cordless tool batteries improve