Hands on building a mid drive e-trike

Guest post by Brian Lynch Ok, so you want to build an e-trike. Yeah, me too. Above is the result. Goal achieved, bye, thanks for

Ferro Fluid Installation Guide

If you want to install Ferro Fluid in your large direct-drive hubmotor, this is a pictorial to help you do that. Ferro Fluid (FF) doesn’t

Sur-Ron Firefly, an affordable and light electric dirt bike

Sur Ron is a new light electric off-road electric motorcycle. I feel a little odd calling it a motorcycle, but it doesn’t have pedals, so

Build a Great-Looking Ebike Battery Box for Less Than $150

by Patrick M. They say necessity is the Mother of Invention. That was certainly the case when I decided to build my own hard battery

Custom Build Gallery, the Laprise Boardtracker

This tribute reproduction of a vintage board-track racer really impressed me, and it is one of the most exciting ebikes I’ve had the pleasure of

The DIY Junkyard E-BMX Friction Drive

I have seen youtube videos on a regular basis that show an old cordless drill being used as a drive-motor for a small bicycle. I’ve

What’s inside an 18650 cell? And why its important

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

Build Report:  Cannondale Hooligan with BBSO2

I am Eric and I am the editor of electricbike.com. For the last few years I have been fairly silent and have not contributed content

Lost Sierra Electric Bike Festival 2017, and EcoBikeAdventures.com

EcoBikeAdventures.com hosts rides in the mountains of central California, and they sponsored a fantastic annual event called the “Lost Sierra Electric Bike Festival”. When the

My INSANE 3300 Watt, 84 Volt, ERT-Kitted BBSHD Mongoose

One thing I can tell you for sure about the ERT External Sinewave Controller Kit: don’t take it through airport security. ______________________________ by Patrick M.

Custom Build Gallery, Richards’ Tango QS

This Ruff Cycle “Tango” framed Cruiser has a simple drive system, but…it is the style and accessory choices that the owner made…which make it such

Parenting Tip #42: Electric Bikes Are Good For The Family

While selling my old e-bike build on Craigslist I had a very nice mother contact me looking for more information on my ebike and on

DIY 18650-cell battery-pack building KITS, four options for 2017

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

The New 21700 format Lithium Cells in 2017

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

Custom Build Gallery, Patrick’s RC mid drive

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

Specialized Turbo Vado-S

Normally, I wouldn’t care much about a turn-key ebike that uses only 350W, but…the Specialized Turbo Vado-S shows that the E-division of one of the