On the table are pieces of metal: round tubing, flat bar, square tubing, all of various widths, diameters, and wall thicknesses. Our task is simple, to use the calipers to measure each piece. Yet once we begin, the decimals, the fractions, the standardized notions start to get confusing: .049” or 1/2”? Flat bar or square tubing? This was the first week of my apprenticeship and I knew next to nothing about bicycle fabrication. Fortunately, our teacher patiently guided us through the process and eventually we were able to accurately measure the pieces of metal on the table.

I hardly even noticed that our teacher was a 14 year old.

Yet at CAT, this is what I have come to expect.CAT is a community that has many different teachers: welding teachers, machinist teachers, seamstress teachers…and teenager teachers. Sometimes apprentices are teachers as well. Many people would agree that students should be able to teach and teachers should be able to learn, but CAT this is not a theory but an everyday practice.

It did not take long to master the use of the calipers, and since that time, the basic skills of bicycle fabrication have become routine to me. Every day I use the TIG welder, turn down a piece of round stock on the lathe, or cut a miter on the horizontal mill. Soon, my Long Haul will be complete. Yet through this process, I have come to realize that being an apprentice at CAT is more than just about the technical skills. Bicycle building at CAT exemplifies the idea of “Human Powered Machines”. Any bicycle, one could say, is a human powered machine. However, a bicycle made at CAT is “human powered” in the sense that it celebrates the human power to create, connecting people and building new skills in the process. It involves bicycle design, fabrication and sale that happens on a human scale, rather than an industrial, corporate scale. I may have gained a wealth of skills in bicycle fabrication, but more than that, I will take away from the apprenticeship new insight into how we do business, how we live in communities and how we learn.

Using calipers to measure a piece of metal is a simple task, but I will always remember that I learned from a teenager, and I think that is the important part of the apprenticeship.

Gerhard and Miquel


Most people are surprised when I tell them that I didn’t come to CAT’s cargo bicycle building apprenticeship to learn how to build cargo bicycles. I came to CAT to learn an approach to life that differs from the mainstream view that profit is the beginning and end to all things. CAT’s emphasis is on a broader and more direct set of life coordinates: a system that hopes to improve society, its jobs, its environment, its food and natural resources as opposed to a system that views these things as commodities to monetize regardless of the consequences.

The program is a practical opportunity to learn and participate directly in the processes that contribute to true life goods and their enjoyment.

Perhaps the most important lesson learned at CAT is summarized by a quote by Robert Kennedy you can find hanging on the wall,

“It is not enough to understand or to see clearly. The future will be shaped in the arena of human activity, by those willing to commit their mind and their bodies to the task.”

All this and I got one hell of a bike out of the deal.

MiquelI first learned about CAT’s cargo bike framebuilding apprenticeship a few years ago surfing the web. I read the website and informed myself about this one of a kind program and the wheels started to turn. The program offers education in areas that I think are really interesting and important to be a fabricator of bicycles.

The most important component to the whole program that really separates it from any other bike framebuilding course is looking at how the current structure of manufacturing and production can be changed, whether if be bicycles, food, clothing, et cetera. The program emphasizes a decentralized system of production where the things that a community needs can be made in that community. This is the kind of model I feel should be emphasized and supported, not the current one where everything is made as cheap as possible, no matter the consequences.

Urban Velo/ Bike Bike


Apprentice Dexter Howard stayed around CAT for awhile after his session (as do many apprentices) and with CAT staff created this one of a kind bike.

CAT’s extensive experience in recumbents and cargo bikes shows as does Dexter’s ability to think out of the “baks”.

For more info: http://hpm.catoregon.org/?page_id=534

Bit by bit. 20 years and rolling. 23 apprentices in the world!

Our seventh group of apprentices are finishing up their five-month stay here at CAT. Noah, Dexter and Dax are just about done with their Long Hauls and a great new fork jig for the Human Powered Network. They are very excited by their first Mobile School presentation the other day. Not sure who likes them more- the kids or adult participants.
It is a pleasure being with these folks- Dax with his level head, Dex with his stories and Noah and his drawings. Not to mention the CSB.

<Noah in the Shop

Noah Leggett

“My time at Cat has been one of tremendous affirmation and growth. The daily activities ranging from building a prototype bike, harvesting organic produce from the community garden, or discussing the implications of open source design, converge into a constantly perspective widening experience. CAT provided me with the opportunity to see idealism at work, and participate in the process. The physical and cerebral resources offered here ensured not only competency with tools and machines, but critical thinking and decision making as well. It would be hard to walk away from this program “just a fabricator”, rather through the diverse practices at CAT, a holistic education in self-sufficiency and sustainability arises. I find myself feeling as if I’ve learned a whole new language during my stay; confounding at times, always enlightening, and a whole lot of work, yet in the end gratifying in more ways than I can count. Thank you CAT, I look forward to making not only bicycles, but a positive impact in the world around me, and I hope to pass these lessons and awareness’s on for generations to come!”

Dexter Howard
Dexter TIG welding
” I arrived at CAT armed only with a firm suspicion that cargo bicycles will save the world. I felt I vaguely understood why they could (something to do with fossil fuels and ass-fat) but could barely picture how they would begin to do so. I leave CAT with the mechanical proficiency needed, hard-won over five months time, to build cargo frames from scratch. Over those months I’ve come to learn that structural soundness, while absolutely essential, is still the least important quality when producing bicycles capable of brightening our collective experience. How and why we produce these bikes is critical—it is the act of producing bikes in the context of an educational and community-building experience harnesses the full, transformative power of these machines. Even if it were possible to simply download the requisite skills for frame fabrication direct to my brain, I doubt I could ever prove myself as useful to my fellow men and women as I now feel poised to do because I’ve lived this apprenticeship at CAT. Being here has shown me first-hand, over and over again how the bicycle empowers individuals and builds communities. It is these lessons, reinforced by the daily goings-on of a unique space like the CAT, that helped me most in fully envisioning how my contribution to cargo bikes will contribute best to my community. My greatest hope is to continue cooperating with the builders I’ve met here to produce bicycles in a manner that transports entire communities in the direction of greater happiness as joyfully as these bikes transport goods across town.”

Dax Burgos
“I came in to this Apprenticeship without any manufacturing experience but thinking that I could walk out having the necessary skills to build bikes back home. Not only have I learned those skills needed, I have so much more! On a daily basis we were pushed to do more, to learn more, and to become more. Philosophical debates, gardening skills, sewing, Computer Aided Drafting, working for and with-in community… The things that have been learned that were not on our course list continue to topple my expectations. The incredibly knowledgable mentors hand-down the necessary skills to make the quality products your business requires and your clientele demand. Most importantly an environment that has all the tools needed to get the job done, instilling in you; self-reliance and confidence with all the support of a twenty year old business. I came in thinking one way, and I leave with so many more ideas that I can implement in my community back home for a better way of living.”

New Classes at CAT!

CAT is offering these great classes for the community.
CAT's classes
Visit our Community Class page for more details.

Pre-registration is necessary. For more information or to register, call (541) 683-3397 .

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