Custom handcycle trike from Hungary – AtomicZombie gallery

“Hello! This year’s project was the making of a hand bike planned by me similar to the Viking tandem.

I am glad that more people are building recumbent bikes for themselves, and that we may share it with the others in the world with the help of this site (

Together we can make miracles happen.

With greetings, Gábor Pihokker from Hungary”

Kind of Vigilante bike chopper in Germany: AtomicZombie forum

“Hi zombies 😉

“My first custom bike will be a kind of like the Vigilante chopper. It will have only one square tube from the rear wheel to the steering head and one from the saddle to the bottom bracket. Each one will be 40x40x3 mm.”

Read more and join the discussion:  Kind of Vigilante in Germany

The Vigilante Chopper breaks all the rules and takes the law into its own hands! With its fat rear wheel and stealth bomber styling, the Vigilante is one ride that will stand out among all other choppers as a true custom. Even the frame is radically different, using only square tubing for that stealth bomber look. This project is built from the ground up, using the parts you have on hand, so there is plenty of room to alter the design and carve out a ride that suits your building style.

Take a look at our Builder’s Gallery to see other Vigilante Chopper examples, including many creative modifications to the plan. Our international builders community ranges from students to retired engineers, but they all have one thing in common – the desire to build their own stuff!

Building a chopper that oozes with attitude is a lot of work, but it’s not rocket science! I only own a basic AC welder, an angle grinder, and a hand drill, so anyone can pull off the same kind of work with a little hard work. Because of the way the frame is built around the wheels, you have alot of room to experiment with your own designs to add your own twisted ideas into the bike with ease. This plan is a great way to learn the art of chopper building, even if you have something completely different planned since the ideas presented here can be used over and over again.

It’s time to reclaim the word “chopper” and put it back into the hands of the builder where it belongs. A department store chopper with serial numbers is not a custom at all, and it is not worthy of the word “chopper”, in my opinion! No assembly line chop will ever have a chance against something carved from your own blood, sweat and tears, so grab that hacksaw and get chopping!

The Wisconsin Solidarity Bike – Atomic Zombie builders forum

“The evolution… Started with this iconic image, which has become an easily recognized symbol in Wisconsin. As you can see, I greatly simplified the shape – I incorporated as many 120-degree angles as possible, so I could cut copy the same angle from one tube to many others. There were 45 pieces planned for the frame.

For structural reasons, I expanded the star to the outer edges of the frame. I ended up doing things a little differently for the rear end, putting two tubes together side-by-side. It more closely matches the original shape, and looks a bit more fancy.”

Read more and join the discussion:  The Wisconsin Solidarity Bike


AZ newsletter Nov. 22 – New AZTV vid, The Lost Files


New AZTV video
The Lost Files
Zombie Feedback
Builders Gallery

NEW – AZTV bike builders tutorial – 3-Piece Bottom Bracket Bearings

3-Piece Bottom Bracket Bearings

This basic tutorial will demonstrate the workings of a typical 3 piece bottom bracket, showing the removal and installation of the various components that make up the bearing system. 
Although there are slight size differences between different manufacturers, the basic principles of operation and assembly are virtually the same. In this tutorial, the bottom bracket shell has been cut from the frame for later use in a custom bicycle project. 
The crank axle is a hardened steel rod that includes a pair of machined bearing races, tapered square ends, and either a bolt or internally threaded section at each end to affix the crank arms. 
There is some debate between “axle” and “spindle” as being the correct name, but most seem to use axle now, so I will as well. Why make things more complicated, right? 
More on this and other free bike building basics videos at: 


Atomic Zombie newsletter Nov. 18

In this issue:
steam punk chopper
zombie feedback
tall bikes
vintage Huffy meets ghoul
This and other AZ newsletters can be found here.
AZTV – where bike freaks unite

Dan’s extreme tall bike – AtomicZombie builders gallery

“Attached is a picture of my recently completed tall bike for your consideration in adding to the gallery. Thanks. Dan.”

That’s a great looking tall bike, Dan. Thanks for sharing.


Handmade steampunk recumbent chopper

“BLACKBIRD steampunk recumbent chopper. 11 feet long. 36V with a 750W hubmotor. 13K miles so far commuting!”  ~ Cat

Very cool! Thanks for sharing