Instructables
Picture of Bike Frame Triangle Chair
So a while back I came across this neat old Nishiki Mixte that looked like it had been the unfortunate victim of a front end collision. The top tube was all bent and in pretty bad shape. Originally I thought to myself what an awesome score, Dia Compe 500 Brakes and a Sugino GT Crankset. However, after a while I realized I was actually in for a better treat.

I had seen rear triangle seats before that my friends and others had made, but I was yet to see a Mixte, so it was on! I also had another twist for the project–I wanted to add wheels. So with a little engineering I created axles for skateboard wheels on the dropouts and through the bottom bracket. The end product was pretty sweet and I am very happy with it. After a few rubber caps for the cut tubes and a paint job this thing will be a pretty sweet little shop stool, heck maybe even a Brooks saddle!
 
Remove these adsRemove these ads by Signing Up

Step 1:

First thing is first, and you're going to have to hack up your bike frame. Cut the top tube and down tube as close as you can to the seat tube and bottom bracket leaving only the rear triangle. (I later used rubber caps to cover the exposed cut tubing)

Step 2:

Next I started on the front axle. I got a 6" long, 5/8" threaded rod for the front wheels and used larger washers the size of the inner diameter of the bottom bracket shell to create the axle.  I also pressfit 2 5/8 washers into the cups of the bottom bracket for the axle to run through.  Then fit the axle snugly into the bottom of the frame, reinstalled the cups, and tightened it up.
laughingjungle made it!8 months ago

This is so cool. At the dump, so many trashed bikes. I needed a stool for my workshop that was low profile and free. I didn't even ruin a hacksaw blade! Great 'ible. Mine here is not as nice as yours, but it took less than 5 minutes and fits perfect in the shop. Thanks!

bikechair.JPG
Jonnphillip9 months ago
great idea. I have a torn up bike that will work just fine for this task ;) and you play polo? as do I. where do you play at?
E_Bloomquist (author)  Jonnphillip9 months ago

I've played all over but currently playing here in San Francisco

astral_mage9 months ago
are these even street legal. mhmm a new sport is born. great gasby
E_Bloomquist (author)  astral_mage9 months ago
Haha, I am actually an avid Bike Polo player. I will have to bring one out one night and see how it fares..! ;)
E_Bloomquist (author) 10 months ago
**Hey Everyone! I encourage you to vote for me in the 'OUTDOOR PROJECTS CONTEST'!!!!**
quickie81710 months ago
I love ingenuous things like this! Not only did you make something useful, cool and cheap, but you're also recycling. I gotta find some old bikes that are not worth restoring so i can cut it up!
E_Bloomquist (author)  quickie81710 months ago
Thank you! Its definitely a good way to recycle old frames. Hope you too can find one to hack up!
bertus52x1110 months ago
Very nice!
E_Bloomquist (author)  bertus52x1110 months ago
:)
northwest10 months ago
Awesome!! That was a great idea. I want to make 4 white ones. Thanks for sharing!
E_Bloomquist (author)  northwest10 months ago
Go for it! Glad I could inspire you.
andrea biffi10 months ago
Beautiful! I want to make one! ;-)
E_Bloomquist (author)  andrea biffi10 months ago
Thank you!
Lectric Wizard10 months ago
I like this, you could really get close to what you're working on as it is so thin in the front. I'll have to keep an eye out for an old bike frame ! THANKS!!
E_Bloomquist (author)  Lectric Wizard10 months ago
Thank you!

Yea its a great medium between a regular shop stool and the ground. Plus, its way more comfortable. I use mine when working on my bike on the stand, or sitting at my truing stand.

Hope you find one! Clist always has cheap/free stuff in my area, just keep your eye peeled.