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Semi-Custom Mosaic GT-2 Titanium Gravel Bike

Mosaic

Semi-Custom Mosaic GT-2 Titanium Gravel Bike

The perfect introduction to the Mosaic handmade titanium experience.

Enquire about this bike Start with a stock frame
Can’t come to California?We can bring the build to you. Wherever you ride, we’ll work with you to create and finally crate up your new dream bike and deliver it to your door.

Mosaic's GT-2 is the perfect chassis for the rider looking to ride beyond the road. Trails, singletrack - whatever you ask of it, the GT-2 will answer. And then some.

Mosaic's T3A/2.5V titanium straight gauge tubeset delivers comfort and compliance for long days in the saddle, with confidence-inspiring handling courtesy of a Columbus or ENVE carbon fork, depending on which variant of GT-2 you opt for.

The GT-2 comes in three variants: AR, X or 45. We've listed the differences in the spec list, but as an overall guide, the 45 will give you more tire clearance (the clue is in the name), the X, a 'mountain bike' aesthetic with compatibility for 29 x 2.25 and trail-going groupsets only, and the AR, a classic all-road vibe with space for 38mm tires.

The Mosaic Batch-Built Program

The GT-2 is readily available as part of Mosaic’s Batch Built program. Pick a stock size, select a finish, and your Mosaic will ship within days, ready to build into your dream bike at Above Category. It’s worth noting that for an up-charge, all stock sizes can turn into custom geometry machines, which is an excellent route if you’d like something a little more tailored without stumping for the cost of a GT-1.

Specifications
  • GT-2 AR
  • TubesetT3A/2.5V Straight Gauge Titanium
  • ForkColumbus Futura Gravel
  • HeadsetCane Creek 40
  • Brake MountFlat Mount Disc
  • Tire Clearance38mm
  • Brake RoutingInternal (External Available upon request)
  • Axle Spacing12x100 Front // 12x142mm Rear
  • Bottom BracketThreaded English 68mm
  • Seatpost Diameter27.2mm
  • Front Derailleur MountClamp On
  • Water Bottle MountsTwo - Down tube and seat tube
  • Stock Sizing48, 50, 52, 54, 55, 56, 58, 60, 62
  • GT-2 X
  • ErgonomicsDrop Bar or Flat Bar
  • Groupset CompatibilityGravel Group Only (or MTB)
  • Maximum Chainring Size42t (w/ gravel chainline crankset)
  • Tire Clearance29 x 2.25
  • ForkENVE Adventure Fork
  • Brake RoutingInternal
  • Shift RoutingInternal (Mechanical & Di2) or eTap
  • Front Derailleur MountNone (1x only)
  • GT-2 45
  • ForkColumbus Futura Cross +
  • Tire Clearance45mm
  • ChainlineGravel Chainline (Must use SRAM XPLR, Force Wide or Shimano GRX.
Options
  • Custom Geometry
  • Mosaic Finishwork Program or Factory Raw Finish
  • ENVE Cockpit (Bar, Stem & Seatpost)
  • Mosaic Titanium Cockpit (Stem & Seatpost)
  • Extra H20/Bag Mounts
  • Pump Peg (GT-2 X only)
Ordering process

Whether you’re already set on a certain make and model of frame, or still have some questions about how to go about your build, drop us a line and we can talk through your options. From the first detail to the final finish, we'll help you dial in the perfect set up for your next dream bike.

Contact us →

Enquire about this bike

Tell us a little about how and where you ride and we will come back to you, usually within a working day.

Mosaic

The builder

Mosaic

Boulder, Colorado