Mosaic AR-2 (All-Road Frameset)
New for 2026: the AR-2 replaces the GT-2 AR.
The AR-2 is Mosaic's all-road titanium frameset, batch built in Boulder, Colorado from hand-selected straight-gauge titanium with size-specific diameters and wall thicknesses. Short chainstays and a steep head tube angle mirror road geometry, while a lower bottom bracket, longer wheelbase and 40mm tire clearance take it well into the dirt.
- 3A/2.5V straight-gauge titanium tubeset
- 700x40mm tire clearance
- ENVE In-Route Allroad fork
- 44mm headtube, 27.2mm seatpost, clamp-on front derailleur mount
- 140mm native flat mount brakes (160mm with adapter)
- Semi-internal brake routing
- Internal Di2 or wireless AXS shift routing
- 12x100 / 12x142 thru-axles
- Compatible with 2x road or 1x gravel groupsets
- Ghost titanium finish included; paint, rack and fender mounts, Cane Creek HCR or Chris King headset available as upgrades
Batch Built: standard sizes, in-stock frames ship within about a week.
Made-to-Order: rider-specific geometry, lead time approx. 6–8 weeks.
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Key Features
Crafted with precision and attention to detail, we ensure excellence. Designed to meet the highest standards, ensuring an exceptional experience every time.
Made to perform when it matters most, we offer quality that you can count on. Tested and proven to deliver consistent results, it's made for everyday use and beyond.
Using only the finest inputs, we are able to craft a result that stands apart. The details matter and we put time and effort into ensuring our customers get the best.
