This is where it’s at. Whatever gravel means to you, there’s a Mosaic G-Series model ready to exceed your drop-bar multi-surface adventure riding expectations.
From the pinnacle of World Cup proven, go-anywhere, do-anything, compromise-never gravel performance of the big tire GT-1 i45 that fits tires as big as 48c’s and gearing for uncharted singletrack and up-for-anything adventure.
Weather its a full custom GT-1 level featuring made-to-order, rider specific fit and finish and our lightest, liveliest butted titanium tubing, or the batch-built GT-2 level utilizing straight gauge titanium tubing and standard sizing to the price down If gravel riding is your thing, G-Series is for getting after it, and it’s just a matter of matching the right model to your riding style.
The Mosaic
G-Series
The Mosaic G-Series. For every kind of gravel.
G Series Model Options
Made To Order Lead Time: have your dream bike made in 8 Weeks
Made to order from scratch including rider specific geometry, configuration and choice of finish work
It's your ride.
Do gravel your way.
Born from the gravel roads of Boulder Colorado, the Mosaic G-Series hits the mark by blending the right amount of comfort, control and speed for how, where and why you ride.

