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HOW IT FOLDS UP
Here is the bike with fenders and an experimental front rack. It still folds up in 60 to 90 seconds with these accessories.
First, I kick the rear wheel under. That takes just one second. There are no bolts to loosen. It is held in place by friction at the pivot, which can be loosened or tightened as needed. I do this every time I park it or lean it up against a tree (see below).
Next, I remove the seat post assembly, and affix it next to the bike. I use a combination of 2 quick attachment points. At this point, the bike stands up on it's own.
Now, I loosen the main boom tube assembly in front of the seat tube, manuver the front of the bike next to the rear, and plug in the small parts I made for this purpose.  It all holds together like this, and still stands up on its own.
Now I take off the handlebars and rest them on the ground. Then, I remove the black boom tube assembly, and attach it to it's place next to the left crank. These parts have quick release bolts. All the tube connections are lubed with boeshield. When I loosen the clamp, the tubes slide out easily.
Finally, I slide the handlebar stem onto a post that is attached to the right fork blade, and tighten it. Now I'm done. I can pick it up from anywhere, and it stands up on its own. It measures about 27x20x12 like this (if the left pedal is ignored).
I can remove the left pedal if needed. This is an MKS RR II quick release pedal. Removing it takes one second, literally.
When I kick the wheel down, it locks the rear wheel in place, due to it's friction against the bottom bracket. The steering angle is 90 degrees, and that allows me to lean it against anything, without being concerned that the handlebars will turn, making the bike fall down.
Also, it makes it appear too weird to steal. People who walk by it comment that whoever rides it must be 7 feet tall (since this puts the seat way up in the air). I probably should lock it up more, but I think a potential thief would steer clear of this strange contraption.
I carry stuff in a bag I made that hooks onto the handlebars. An overflowing sack of heavy groceries can fit into that. Heavy loads will rest on the front rack, and not interfere with steering.
A metal strip pivots over the hook (there are 2 hooks, like regular panniers) to keep it from coming off over bumps.  Look carefully to see it. It's open on the left, closed on the right.
It takes 2 seconds to remove or install the bag.
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