Mosaic is

Each and every design, material, weld, craftsperson, component and decision is vital to the outcome.

Merging meticulous welds with modern geometry and componentry, each frame is a mix of precision engineering and industrial artistry.

Born in the uncompromising terrain of Colorado, we prioritize for maximal performance on every surface.

We build bikes for fun, adventure, racing and building character through suffering.

Each frame is a showcase of timeless style and contemporary functionality.

We have been known to talk shit.

We strive to bring our level of craftsmanship to more and more riders, we are for growth with zero compromise.

We are a team of grubby makers making bikes that are hand-crafted to be used and abused, not merely coveted.

Our shop in Boulder sets the tone. It’s where creativity meets grit, where frames are forged to embody fine craftsmanship and industrial ethos.

We don’t hate on carbon, but we build in metal. Always have. Always will? Safe bet.

We take pride in what we do. We don’t hide our welds because we want you to look at them.

To riders, racers, and budding framebuilders alike, if you’re ready to move fast and sweat the details, we have room for you in our family.

If you’re reading this, you get it. And we get you. We all understand what bikes do for our lives. We are here to keep it rolling.

Call us.
Come by and talk with us.

Let’s work together.