Burnside City Bike

An Icon for the City. The limited production Burnside City Bike.

Looking for an iconic ride for your commute that shows your commitment to form, function and local production?

Hand-built in Portland, Oregon, the Burnside city bike features our durable, weatherproof anodized finishes, the super-low maintenance Gates belt drive and an 8-speed internal shifting system. Each frame is constructed using domestic aluminum tubing sourced from U.S. mills.

Pricing: $3,995

The Burnside is a limited production readymade bike package. Please contact us for current availability. If you like most of what you see but would like to customize this package, contact us and we'll work with you to optimize it for your needs.

Key Features


Clean and maintenance free, the Gates belt drive never needs oil and won’t rust like a traditional chain.


Our sapphire-hard anodized finishes are lighter and tougher than paint and impervious to the harshest weather.


Got hills? The low-maintenance 8-speed Shimano Alfine rear hub should handle most of your rolling terrain.


Like details and accuracy? There’s lots to marvel at on our proprietary precision-cut lugs.


We’re deeply committed to local production. Our frames are built by hand in Portland, Oregon using locally sourced materials and processes.


Frame Material: Anodized Aluminum Alloy

Fork: Carbon

Drivetrain: Gates CDX Carbon Belt Drive

Shifting System: Shimano Alfine 8-Speed Internally Geared Hub

Braking System: Shimano Hydraulic Disc

Rack and Fender Mounts: Yes

Stock Tire Width: 35c

Weight: 22 lbs.

Geometry: Two Fit Options

Standard and Short-Reach

For sizing and to optimize the fit of your CIRCA, we offer 2 geometry types: Standard and Short-Reach. We think of it as Quick Custom. There’s no extra charge for either option.

Our Standard geometry works for about 90% of riders with typical proportions. The Short-Reach variation pulls in the cockpit a little to accommodate riders with shorter torsos or who may want a more upright position.

Standard Geometry

Best for riders with typical proportions who have no problems fitting stock geometries.

Short Reach Geometry

Riders who have long legs compared to their overall height (and a shorter torso) may prefer the fit of our Short Reach geometries. This fit can also suit riders who want a more upright position.

What our customers are saying

The bike is fantastic. So light yet rugged. I’m excited. Riding this bike on a beautiful fall day in Boston is pure joy.


The bike is absolutely beautiful!! The fit is excellent and I Iove the Gates system. Thanks for all your good work!!

John D.

I’d been riding ill-fitting, mass-produced bikes until my CIRCA. I knew a bike built for me would be an improvement, but I’ve been blown away at how much better it rides. The belt drive runs perfectly smooth. The design process was great and Rich was always quick to answer questions and help build the bike I needed. And it turns heads: I’ve been getting compliments since I first rode it away from CIRCA’s shop.

John C.

Just go in and let them make you the best and most beautiful piece of bicycling art you’ve ever owned. I love my CIRCA!


My bike is super great. I use it multiple times per week for my commute in Seattle and although my bike is designed and built as a “rough weather commuter” I even ride it occasionally for sunny weekend rides. The fit is comfortable and on the rougher roads around Seattle it handles the bumps and quick maneuvers easily.



The Burnside is a limited production bike package. Please contact us for orders, availability or any other questions you might have.