Mosaic GT i55 32: a titanium gravel platform built around 32-inch wheels
The Mosaic GT i55 32 is a titanium gravel platform developed around 32-inch wheels, with a dedicated fork, new rear-triangle packaging, and two MTO versions.
Studio News
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ENVE Demo Day at Alpha: ride the MOG and the Fray, Sept 10-12th
Two ENVE frames at the studio for real rides on real roads. MOG gravel and Fray all-road, Thursday, September 10-12, RSVP to hold a bike.
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The Sarto Cima: a new road frame from Veneto, built tube-to-tube
Sarto has released the Cima, a new tube-to-tube carbon road frame from the Veneto workshop, drawn from the Seta Plus and Raso platforms. Here is what it is, how it's...
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The Mosaic GT-1 i55: a redesigned rear triangle and a fork built to match
Mosaic redesigned its titanium gravel race frame — new rear triangle, a matched integrated fork, 29x2.2 clearance, 1x-only. Here's what's in the GT-1 i55 and how a build starts at...
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A studio, not a shop: how Alpha builds bikes on the Front Range
Alpha Bicycle Studio is appointment-only, with no showroom floor. Here are the questions riders new to custom bikes ask us first — with plain answers.
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Introducing the Mosaic AR-Zero: an all-road frameset in the Zero Ops program
Mosaic's AR-Zero is a new all-road titanium frameset in the Zero Ops program — rider-specific geometry, integrated componentry, framesets from $11,000, 2026 slots open now.
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Comparing Alpha's gravel platforms: when each one is the right pick
A decision-led comparison of Alpha’s five gravel platforms — ENVE MOG, Sarto Raso Gravel Wide, Mosaic GT, Ritte Satyr, and Allied Able — and when each one is the right...
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Mosaic’s 2026 AR Series: a new all-road line, and where it sits at Alpha
Mosaic renamed its all-road bikes as the AR Series for 2026. Here’s what that change signals—and how we think about AR vs. road vs. gravel when you’re building from a...
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Bike Assembly at Alpha: what happens after you buy the frame
A walk-through of Bike Assembly at Alpha — what a professional build includes when you bring your own frame, and why it’s the cleanest path to a ride-ready bike.
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Titanium, carbon, or steel: choosing a custom bike frame material
Carbon, titanium, and steel each solve a different problem. Here’s how to choose based on ride feel, ownership horizon, and fit — without chasing a “best material.”
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What a professional bike fit actually measures
A professional fit isn’t just “getting your saddle height.” It measures position, pressure, and movement—then turns that into frame choice, cockpit decisions, and contact points that actually work.
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How to buy a Sarto in the United States
A practical map for US riders: where to buy a Sarto, what the dealer relationship actually does, and how fit-first ordering turns into a finished bike.
