Made in America – A National Champion’s GT-1 i45

Mosaic GT-1 i45 in the stars and stripes.

A machine Made in America, fit for a US national champion.

When Brennan Wertz crossed the line in Gering, NE on September 8th establishing himself as the 2024 Elite Men’s Gravel National Champion, our race against the clock was only just beginning. With the 2024 season finale, The Big Sugar Classic under 6 weeks away, we cued the music and went full gas on an extra special build – an over the top, American Made, Stars and Stripes GT-1 i45. This GT-1 i45 is built to the exact same, millimeter perfect geometry as Brennan’s tried and true race bike, with the real task this time around being the development of a custom paint layout worthy of celebrating a national championship win.

Our paint team, Randy Caraballo (pictured below) and David Cogdill hit the ground running and quickly had a design in mind for the bike. It’s not particularly common for us to deviate from our standard paint layouts, so when a custom job comes across the desk, it’s definitely a fun one for everybody to be a part of. Creating a unique spin on the Stars & Stripes colorway was a challenge perfectly suited to the Mosaic Paint Department. As the paint team was scheming, simultaneously, Jamie Appleton, Ross Leopold and Aaron Barcheck did what they do best in the fabrication shop, and the frame was completed in record time.

In typical Brennan Wertz fashion, this GT-1 i45 leaves absolutely no stone unturned when it comes to the build. A SRAM XXSL Transmission rear derailleur is paired with a CeramicSpeed OSPW X Cage, which we just couldn’t resist painting to match… An ENVE Integrated Stem & Seatpost were painted to match corresponding parts of the frame, and the usual racey white decals top off the SES 4.5’s wheelset, custom built by Above Category with silver Chris King R45d hubs, and silver spokes all around.

 We’ll see you this weekend at Big Sugar Gravel! The Mosaic booth, Brennan’s Stars & Stripes GT-1 i45 included will be set up at the Big Sugar Gravel Expo on Thursday evening & all day on Friday. Friends old and new, we’d love to see you, so if you’re in Bentonville be sure to stop by and check out what we’ve been up to.

Come Saturday morning, it’s a show bike no more, as for the first time ever, we’ve got an Elite National Champ lined up on a matching Mosaic and that’s reason enough for us to celebrate! As a tremendously passionate and hard-working, but small crew of folks at Mosaic, it’s an honor to be in this position. And so for that, Brennan, thank you. Now – let’s go give it hell for one last time in 2024. That bike wants a victory salute…

 

Outdoor Images: Jim Merithew (@tinyblackbox)

Frameset Images: Mark Currie // Mosaic Cycles

The Mosaic Demo Sale

We’re refreshing our demo fleet, so now’s your chance to score a lightly ridden, well-looked after Mosaic at a fraction of the cost! We’ve got a selection of GT-1 AR and GT-1 45 bikes below, in various sizes and build specifications. Bikes will be sold on a first-come, first served basis and will be sold as-is, with the exception of stem length – which we’re happy to tailor to your needs. To purchase an ex-demo bike or ask any clarifying questions, please email info@mosaiccycles.com. In the subject line, please include the Model & Size that you are inquiring about.

Aaron Barcheck Signature Edition GT-1 AR

Finishwork: Knockout // Pearl Deep Sea Green // Gloss

Groupset: Shimano GRX 815 Di2 Rear Derailleur, 11s Di2, Dura Ace 9100 Crankset (52/34, 175mm, Powermeter Not Included), XT M8000 Cassette (11-40), DuraAce 9150 Shifter/Brakes.

Wheelset: ENVE SES 3.4 AR Disc Wheelset w/ Chris King Bourbon Hubs

Cockpit: ENVE 27.2 Zero Offset SP, ENVE 120mm Stem, ENVE Standard Road Handlebar (44cm)

Accessories: Chris King Bourbon Hubs, BB, Headset, PRO Stealth Saddle, WTB Vulpine 700x36mm tires.

Condition: 8/10

Notes: Aaron Barcheck’s GT-1 AR. Dura Ace, ENVE, Chris King Bourbon. This bike is well ridden, but well taken care of, and has tons of life left to live.

Price: $6500

View more photos here.

 

 

Aaron Barcheck Signature Edition RT-1d

Finishwork: Knockout // McLaren Orange // Matte

Groupset: Shimano Dura Ace 9100 Rear Derailleur, 11s Di2, Dura Ace 9100 Crankset (52/36, 175mm, Dura Ace 9100 Cassette (11-30), DuraAce 9100 Shifter/Brakes.

Wheelset: Shimano Dura Ace 9170 C40 Wheelset

Cockpit: ENVE 30.9 Zero Offset SP, ENVE 120mm Stem, ENVE Standard Drop Handlebar (44cm)

Accessories: WTB Silverado Saddle, Donnelly CDG 700x30mm tires.

Condition: 6.5/10

Notes: Aaron Barcheck’s RT-1d. This bike is well ridden and shows normal signs of wear. Used, but not abused, all components in good working order for many more miles of enjoyable riding.

Price: $5000

View more photos here.

 

58cm Mosaic RT-1d Titanium Road Bike

RT-1d // 58cm (Like New)

Finishwork: Knockout // Pearl Hydro Blue // Matte

Groupset: Shimano Ultegra 8050 RX Rear Derailleur, 11s Di2, Ultegra Crankset (50/34 172.5mm), Ultegra Cassette (11-30), Ultegra 8050 Shifter/Brakes.

Wheelset: ENVE SES 3.4 AR Disc Wheelset

Cockpit: ENVE 30.9 25mm Offset SP, ENVE 110mm Stem, ENVE Compact Road Bar (42cm)

Accessories: PRO Stealth Saddle, WTB Exposure 700x30mm tires.

Condition: 9.5/10 (Like New)

Notes: This bike and all components have been ridden <100 miles, in showroom condition.

Price: $7800

View more photos here.

 

GT-2 45 GRX Ltd // 54cm (Brand New, Unridden)

Finishwork: Mosaic Factory Finish // Titanium

Groupset: Shimano GRX Ltd. Rear Derailleur, 11s Mechanical, GRX Ltd Crankset (40T, 172.5mm), XT M8000 Cassette (11-40), GRX Ltd Shifter/Brakes

Wheelset: Shimano RX880 GRX Carbon Wheelset

Cockpit: Thomson Elite Stem (100mm), Thomson Elite Seatpost (25mm offset), Pro Vibe Handlebar (42cm)

Accessories: WTB Silverado Saddle, WTB Nano 40mm Tires

Condition: New, unridden.

Notes: This bike and all components have zero miles. Brand new & unridden, just assembled for photos.

Price: $6800

View more photos here.