The GT-1 AR is tailored for uncompromising excellence on tarmac, broken asphalt, dirt roads and gravel.

The GT-AR Series is tailored for uncompromising excellence on tarmac, broken asphalt, dirt roads and gravel. The AR represents Mosaic's All Road model, and these machines epitomize the fusion of road bike agility and off-road resilience---the very core of the G-Series philosophy.

Short chainstays and a steep head tube angle mirror high performance road geometry, while a lower bottom bracket, slightly longer wheelbase and room for 700x38c tires extend the AR’s sweet spot well into the dirt realm. These bikes give the rider confidence to tackle a wide variety of terrain and surfaces ranging from straight-up pavement to fire roads and light gravel – all without sacrificing road bike speed, responsiveness and handling.

Custom rider specific sizing comes standard with the GT-1 AR and we use rider-specific, lightweight butted titanium tubeset in smaller diameters to give the AR a lively, compliant ride when compared to the oversized tubes we use for the R-Series or GT-45’s. Optional fender and rack mounts make the GT-1 a perfect bike for year round riding, and it’s also available as a fully integrated cable model—the GT-1 iAR.

Highlights

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Designed as a big tire road bike with off-road capability.
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Compatible with 1x or 2x road or gravel groupsets, the choice is yours.
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A 44mm headtube up front.
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12x142 axle spacing and flat mount disc brakes are the standard.

Features

  • Custom 3A/2.5V Double Butted Titanium Tubeset
  • Rider Specific Geometry
  • 700x38mm Tire Clearance
  • Chris King Inset 8 Headset
  • Columbus Futura All Road Fork
  • 44mm Headtube
  • 68mm BSA Bottom Bracket
  • 27.2 Seatpost Diameter
  • Clamp-On Front Derailleur Mount
  • Flat Mount Brake Mounts
  • External Mechanical, Internal Di2, or Wireless AXS shift routing
  • Choice of Mosaic Painted Finish
  • 12x100 Front // 12x142 Rear
  • Internal Downtube Brake Routing

Made To Order Lead Time: 8 weeks

Made to order from scratch including rider specific geometry, component spec and choice of finishwork
  • Rack Mounts
  • Fender Mounts
  • Pump Peg
  • Extra H20 Mounts
  • Chain Hanger
  • 30.9 & 31.6 Seatpost Diameters
  • Braze-On Front Derailleur Mount
  • Mosaic Artist Series Finishwork*

* options at additional cost.

Contact your Mosaic Dealer for pricing.

Geometry

Rider Specific Geometry

With a fit-first design approach, custom geometry is drawn up based on bike fit information provided by you and your Mosaic Dealer. Taking into account each rider’s aspirations and use case for the bike, we continue to fine-tune the design to culminate in a riding experience and handling that is perfect for each unique frame that we build. Custom geometry is included as standard on our 1-Level bikes, giving us the opportunity to build the perfect bike for each rider 100% of the time.

Your Bike. Your Fit.
Your Geo.

Geometry driven by your body, made to fit your contact points.
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Mosaic Batch Built Geometry

The Mosaic Batch Built program utilizes our proven size run of geometry to deliver a simpler, more standardized offering, available in a shorter timeframe. By building standard geometry frames together in a batch, configured in an intentional and similar way, we’re able to deliver a batch-built frame in 2-3 weeks, while allowing the customer to choose how their bike is finished.

Mosaic Batch Built Frames

ready made frame sets delivered in 2-3 weeks

Finishes: Choose your wow factor.

The finish is the first thing we see. And when you’re excited by the sheer look of your Mosaic, it also gets you excited to get out and ride. And that’s what it’s all about. So whether you choose to let the metal be the star of your titanium frame, or opt for a super colorful paint scheme that’s uniquely you, the goal is to come up with a look that’s going to light you up and get you out there. Ready? Let’s make it yours.

Titanium Finishes

Classic, clean and light, this is the choice for those who love the beauty of raw metal, impeccable welds and subtle logos. Choose between Ghost, Shadow, and Mosaic Factory titanium finish options.
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Painted Finishes

Go big. Go loud. Go subtle. Go pure. With multiple Standard and Artist Series layouts to choose from and a nearly infinite number of color combinations, it's easy to make your Mosaic uniquely yours.
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