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Handcrafted high-performance titanium bicycles from Boulder, Colorado.
#mosaiccycles #mosaicrt1 #mosaicgt1
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Regroup Custom: A Millimeter At The Junction. Joe’s Mosaic Gt-1 45.

Joe has been fit to bikes before. His new tan Regroup Custom Mosaic GT-1 45 is the first one made for him, and the proof is about a millimeter wide. Read all about the build, how it came to pass and the brass tacks - how it rides, on the Regroup Review. 

#regroupwithus #tempeaz #custombikes #mosaicbikes #gravelcycling taken in Regroup Coffee + Bicycles by @mosaiccycles
2
6 days ago
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Check out this @mosaiccycles RT-1 ITR just been delivered to one of are customers in London, check out the spec, very classy.
#mosaiccycles #titanium #ride #happy #custom by @mosaiccycles
2
10 days ago
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My new @mosaiccycles G-i55 is absolutely stunning. I am extremely excited to be working with a brand of their caliber and also be able to offer this level of bike to all our people. The big deal is custom geo. This bike was specifically designed based on my personal bike fit. The team over at Mosaic looked at it and shot me back a chart to review. It’s an extremely smooth process and really impressed me. Especially dealing with something so personal like bike fit. We really love doing custom builds for people and now being able to offer bikes with custom geo takes that to a whole other level. In other news I can now begin working on our mega gravel bike shootout. Stay tuned for i55 videos hitting the channel very soon.
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#mosaiccycles #gravelbike #gravelbikes #envecomposites #custombike taken in The Bicycle Station by @mosaiccycles
62
12 days ago
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Let’s run it back…

JC’s AR-1 in Gloss Black Knockout. Paired with titanium bits from @sturdycycles, @canecreekusa, and @betterbolts. 

📸: @sterlinggrinnell 

#mosaiccycles #custombike #aubloc by @mosaiccycles
10
14 days ago
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Postcards from Cadaques

Having enjoyed cycling for a couple of years now and after going through a few carbon bikes, I reached a point where I wanted to experience something completely different - the feel of titanium. 

When @mosaiccycles launched the RT-Zero, it was love at first sight. It checked so many boxes I look for in the things I collect: an independent brand, limited production, custom geometry, meticulous finishing and a level of craftsmanship that makes each piece feel truly personal. In many ways, it reminded me of how I approach my horological hobby. 

Color choice is white from the very beginning. I had always wanted a white bike and I wanted the build to have a very distinct character. The accents came together around Chris King's newly released Jade colorway. A subtle shade that is discreet at first glance, but packs a punch when you pay attention to the details. 

I was able to bring together a wheelset I've been dreaming of building piece by piece. Something that hasn't been done before. Scope Cycling Artech 4 rims paired with Chris King Jade hubs and stainless steel spokes. Some might call it excessive, but I wanted to push the build beyond simply being a beautiful bike. I wanted it to feel like a Pièce Unique. 

The eeWings crankset was custom finished with anodized jade logos and topped off with a pair of Sturdy 3D-printed brake levers. Those small details are what ultimately made the bike feel like it was truly mine and somehow, I had to connect my love for watches with my love for cycling. 

The perfect pairing turned out to be my Behrens Ultralight, a remarkably light 20-gram titanium timepiece, finished with a white strap and an ergonomically curved case that hugs the wrist. Lightweight, purposeful, and unapologetically different. 

Perhaps that’s what I love most about this build. It isn’t just about the frame, the components, or the numbers on a spec sheet. It’s about taking a collection of ideas, colors, craftsmanship, and personal obsessions and bringing them together into something that feels truly yours. 

A bike, a watch, and a little bit of madness. Exactly the way I like it.

C.Ty taken in Cadaqués by @mosaiccycles
5
16 days ago
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“Anybody can get the goods. The hard part is getting away.”

WW’s Mosaic RT-1 finished in Pearl Oak Green and Champagne Gold two-tone. Featuring custom hand-built wheels, gold titanium hardware and a few personal touches.

📸: @sterlinggrinnell 

#aubloc #mosaiccycles #dreambike #vault #safetydepositbox taken in Perry's Steakhouse & Grille - Austin DT by @mosaiccycles
9
21 days ago
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7 epic versions of Artist Series No.9 - Chrysalis. Pick a favorite…
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#mosaiccycles
#mosaicartistseries
#custombike
#custompaint
#handcrafted by @mosaiccycles
8
a month ago
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Concept and design by us. Choice of color - that’s all you. The Mosaic Artist Series is the ultimate in personalization, with no two frames alike. This 56cm GT-1 i55 in Lime Twist to Oak Green Chrysalis is one of our favorites so far. Interested? Get in touch, as this one’s for sale!
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#mosaiccycles
#mosaicgt1i55
#mosaicartistseries
#gravelbike
#handcrafted by @mosaiccycles
15
a month ago
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Under the Portland sun at @made.bike , this custom @mosaiccycles titanium frame and our new high-volume Protocol RCG-3 tires look like a match made in gravel heaven. 

Built around relatively short chainstays for 55mm tire clearance, a 30mm Cane Creek Invert fork, and dressed in a striking Artiste Series Chrysalis finish, brand founder Aaron Barcheck’s personal GT1 i-55 is equal parts bespoke craftsmanship and racing performance.

At the link in bio, head over to Marginal Gains Media and read all about Aaron’s stunning GT1 i-55 gravel race rig. taken in Portland Oregon by @mosaiccycles
15
a month ago
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The RT-Zero is back in 2026, and we’ve still got a handful of slots left. Limited to just 20 units this year, and available now in any Artist Series colorway. Perhaps this Chrysalis example is just the inspiration you needed…
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#mosaiccycles
#mosaicrtzero
#roadbike
#custombike
#handcrafted by @mosaiccycles
11
2 months ago
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Bikes of Speed, MADE Edition - Mosaic GT-1 i55 32”

A look into the (near) future? At the recent @made.bike show, the titanium wizards from Colorado brought out one of the showstoppers with their take on the next frontier in gravel. 

We were proud to be featured on this unique fiery orange GT-1 i55 32” gravel bike from @mosaiccycles - double-butted titanium, fully integrated routing, and with room for 55 mm tires. 

Frame: @mosaiccycles GT-1 i55 32”
Groupset: @rideshimano XTR w. OSPW 
Stem: @envecomposites Aero custom painted
Seatpost: @envecomposites custom painted
Wheels: @berdspokes Sparrow50 Gold 32” 
Tyres: @wildernesstrailbikes Course 32″/800 by @mosaiccycles
8
2 months ago
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The RT-1 finished a wild Artist Series Chrysalis colorway. No two frames emerge the same, every Artist Series option is as unique as the rider it’s built for. This one was designed to be a purebred, fast road machine. 
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#mosaiccycles
#mosaicartistseries
#mosaicrt1
#madebikeshow
#roadbike by @mosaiccycles
4
2 months ago
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