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Configure your dream bike with Mosiac's premier USA partner

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Mosaic’s Primer US partner. Inquire Now

BESPOKE BICYCLES ENGINEERED FOR YOU

Precision engineering meets bespoke design. Equal parts performance and aesthetic. Better, faster, smarter. Hand crafted in Colorado–  the Mosaic way.

Configure your dream bike with Mosiac’s top USA partner

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Worldwide Delivery + Local Pickup. Visit our Marin, CA Studio

Configure your dream bike with Mosiac's premier USA partner

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The best bike shop in the world. And they live up to it...

Charlie K, Boston MA

My 4th bike with AC. ...attention to detail you won’t fined anywhere else

Drew Haverhill, Mill Valley CA

These guys build pure-bread race machines. <3 from BC!

Mike Bassette, Nelson BC

The formula 1 of bike shops

Chris Brickfelt, Austin, TX

The bike was amazing. The experience was mind-blowing

Abbie Norton, NYC

The best bike shop in the world. And they live up to it...

Charlie K, Boston MA

My 4th bike with AC. ...attention to detail you won’t fined anywhere else

Drew Haverhill, Mill Valley CA

These guys build pure-bread race machines. <3 from BC!

Mike Bassette, Nelson BC

The formula 1 of bike shops

Chris Brickfelt, Austin, TX

The bike was amazing. The experience was mind-blowing

Abbie Norton, NYC

For the Road

Nothing rides like a bespoke titanium road bike. Mosaic delivers unrivaled performance for a one-of-a-kind custom riding experience. Light, lively and durable, the flagship RT-1iTR is capable of anything from all-day roadie rides and your weekly crit series, to confidently dominating pave sections that make your friends squirm.

For the Trail

For every type of gravel, there’s a drop-bar Mosiac ready to exceed your expectations. From the World Cup winning “go-anywhere, compromise-never” GT1-45, to all-road ripping GT-1 AR, to do-anything GT-X models that accommodates mountain bike tires – Mosiac dominates every adventure.

Not sure? Get one-on-one guidance to select and configure your dream Mosaic.

THE AC EXPERIENCE

Two ways to design your dream Mosaic
Driven by world’s top custom bike builders.

.01 MOSIAC BESPOKE .01 MOSIAC BESPOKE

Customize each component, material, color, and graphic. Obsess over every detail, down to the last bolt. Or, let our studio designers do it for you. We’ll guide you through the custom process, based on your aesthetics and goals. Take delivery on a guided Marin experience or at one of our global partners.

Explore Our Custom Process

.02 MOSIAC STOCKISTS .02 MOSIAC STOCKISTS

We guide you through model selection, you pick your off the shelf upgrades, and we’ll handle the rest! Easy, fast, seamless! We work directly with Colnago and a network of vetted partners to ensure smooth delivery worldwide.

Explore Our Custom Process

Titanium Precision. Imagine Yours.

BEGIN MY BUILD

The world’s finest custom and ready to ride dream bikes, considered upgrades, handpicked products, and cycling culture.