AR-1 Frameset

Name: AR-1 Frameset
SKU: 7899
Availability: InStock

$7,500.00

Double butted Titanium All Road frameset including Enve stem and seatpost

Size

Finish

Clear

SKU: N/A Category: Batch Built Frames Tag: Batch Built

The AR-1. The ultimate allroad bike, ready to ship Batch Built

New for 2026, the AR-1 is available in standard sizes and finishes through our batch built program, in stock frames delivered within a week.

GT-1 iAR frameset Includes Standard Sized frame, Enve fork, Enve Headset and Enve In-route Stem and Enve Seat post. Chris King Aeroset black headset can be purchased at an additional charge.

Offered in one of two finishes and seven sizes: Pearl Sea Foam Matte Knockout and Factory Finish. Additional Custom Geometry, Premium finishes and artist series finished available through our Made to Order program, contact us for more information.

3A/2.5V Double Butted Titanium Tube set
Seven Standard Sizes
700x40mm Tire Clearance
ENVE In-Route Allroad Fork & Headset
ENVE In-Route Integrated Stem & Seatpost
Fully Integrated Brake Routing through cockpit, BB and chainstay
IS52/IS52 Headtube
T47 68mm Bottom Bracket
27.2 Seatpost Diameter
Clamp-On Front Derailleur Mount
140mm Native Flat Mount Brake Mounts, 160mm with adapter
Internal Di2 or Wireless AXS shift routing
Batch Built Frame offered in one of two two finishes
12×100 Front // 12×142 Rear

Our Batch Built program pairs Mosaic’s high quality craftsmanship with in stock availability for riders that want a quick delivery and a standard sizing.

In stock frames are ready for delivery within 3 days. If an item is not in stock it can be placed on backorder for a 3-5 weeks delivery

If standard size and finish are not enough, our Made to Order frames have nearly infinite personalization through custom geometry and finish work options, all deliverable in 6-8 weeks. Reach out to us here and we can help you get started on your dream build.

Frame Size	48	50	52	54	56	58	60	62
HT Angle	71	71.3	71.3	71.3	71.5	72	72.3	72.5
ST Angle	74.5	74	74	73.5	73	73	72.5	72.5
ST Length (C-T)	480	500	520	540	560	580	590	620
TT Length (Eff)	515	525	535	545	565	580	595	605
HT Length	115	130	140	155	175	185	200	220
Wheelbase	994	999	1009	1016	1029	1035	1048	1056
Chainstay Length	384	384	384	384	384	384	389	389
Fork Offset (Rake)	51	51	51	51	51	47	47	47
Front Center	581	585	595	601	614	621	629	636
Trail	67	65	65	65	63	64	63	61
Standover	749	766	783	800	819	833	847	872
BB Drop	75	75	75	72	72	72	72	72
BB Height	275	275	275	278	278	278	278	278
TT Angle	8.3	7.6	5.8	5.1	5	4.7	4.8	3.8
Stack	525	539	549	560	580	593	608	628
Reach	367	369	376	378	386	398	403	407

AR-1 Frameset

The AR-1. The ultimate allroad bike, ready to ship Batch Built

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