Trillium Golden Bike Preview

When I was invited to the Oregon Handbuilt Bikes and Beer Fest, I wanted to create a something that really shows off the versatility of the Trillium platform. 


How Circa’s MABEL™ System Re-Thinks Bicycle Manufacturing

Circa is more than just one bike. It’s an entirely new way of making and delivering bikes to people. As we’ve said before, our goal is to create locally made bikes, just for you, in less than ten days and starting at less than $2,000.  To make this possible, we needed to seriously rethink how bikes are made. Ultimately, we created a new manufacturing platform that we call MABEL™.




We took a close look at why bike manufacturing using traditional methods has mostly left the US. Here’s what we learned:


Trillium City

We’re currently accepting pre-orders for the next production run. To reserve yours, please email us at:


The Trillium City package starts with our Portland-made Trillium frame and is designed to be the perfect all-conditions commuter. It features flat bars for a more upright position, wider tires to handle the abuses of city streets, and an 8-speed internal shifting system for super-easy maintenance.


Trillium Road

We’re currently accepting pre-orders for the next production run. To reserve yours, please email us at:


The Trillium Road package starts with our Portland-made Trillium frame and is built to get you anywhere, regardless of the terrain or the weather. It’s the perfect solution for commuting, touring, a weekend club ride or your favorite grand fondo.


Mabel Meets the Lions

Oh, the fun we have, riding on a fine day and exploring pieces of the infamous Portland Ronde.


Meet Mabel, the Heart of a Circa Frame.

After our last video post, several people asked, “Who (or what) is Mabel?”. Mabel is a Patent Pending process that stands for


Let’s Ride!

This has been a fantastic week! We put together a little highlight video. Hope you like it!

Here’s to 2014. Affordable, locally made bikes for all!

Happy New Year to everyone who’s been patiently watching little glimpses of Circa over the last few months (and for some of you, the last few years).

2013 was a year of


Color Feels Nice…

Cranberry? Kinda’ delicious.

A lot’s been happening over the last month.

Here’s a little more preview. Let us know what you think!

About Circa

Our goal at Circa is to re-invent bicycle manufacturing and retail in a way that allows us to create individualized, affordable, versatile, locally-made bikes for everyday riders. We’re based in Portland, Oregon, which has a fantastic cycling community and manufacturing base.