Name: Specialized Aethos 2 Pro Ultegra Di2
Brand: Specialized
SKU: 210000108058
Price: 10999.99 CAD
Availability: OutOfStock

$10,999.99 CAD

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Crafted with FACT 10r carbon, a. Shimano Ultegra Di2 groupset, and equipped with Roval Alpinist CL II wheels, this ultralight bike exemplifies top-tier performance. The Aethos 2 features a lightweight frame, finely tuned geometry, and accommodates tires up to 35mm, delivering an exceptional riding experience.

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EMAIL: sales@steedcycles.com

PHONE: 604-987-2168

Description
Specifications
Geometry
Sizing Guide

Specialized Aethos 2 Pro Ultegra Di2

The Aethos 2 is built for riders who live for the moments when the bike disappears and the ride takes over. At just 595 grams, it is the lightest production road frame in the world, but the magic is not in the number. It is in the way the bike dances up climbs, floats through corners, and hums across rough roads with an effortless rhythm. With refined geometry drawn from decades of fit data, clearance for 35mm tires, and an all-new Roval Alpinist cockpit and wheelset, the Aethos 2 expands its legendary ride feel to more cyclists than ever before.

Engineered through Flow State Design, every curve of the Aethos 2 has been tuned to channel energy, creating a ride that feels alive yet balanced. Complete builds tip the scales under six kilograms, but the real weightlessness comes when the frame simply melts away beneath you. It is timeless in silhouette, elegant in execution, and transcendent in motion. For those who chase the sensation of freedom on two wheels, the Aethos 2 is more than a bike—it is the purest expression of joy on the road.

Specifications

Frame Aethos 2 FACT 10r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc

Fork Aethos 2 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc

Handlebars Roval Alpinist Cockpit II, Integrated Bar/Stem

Shift Levers Shimano Ultegra Di2 R8170, hydraulic disc

Front Brake Shimano Ultegra BR-R8170, hydraulic disc

Rear Brake Shimano Ultegra BR-R8170, hydraulic disc

Front Derailleur Shimano Ultegra Di2 R8150, braze-on

Rear Derailleur Shimano Ultegra Di2 R8150, 12-speed

Cassette Shimano Ultegra, 12-speed, 11-30t

Chain Shimano XT M8100, 12-speed w/quick link

Crankset Shimano Ultegra R8100, 52/36t

Bottom Bracket Shimano Threaded BSA BB

Front Wheel Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, Tubeless Ready

Rear Wheel Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, Tubeless Ready

Front & Rear Tires S-Works Turbo TLR Race Tire, 700x28c

Inner Tubes 700x25-35, 50mm Presta Valve, TPU

Tape Supacaz Super Sticky Kush

Saddle Power Pro Mirror, Hollow Ti rails

SeatPost Roval Alpinist Carbon Seatpost

Seat Binder Specialized Alloy, 30.0mm

Weight 6.73kg (14 lb, 13.4 oz) Size - 56cm

*Specifications are subject to change without notice

Geometry

		49	52	54	56	58	61
A	Reach	373	377	384	391	398	404
B	Stack	522	538	559	580	606	627
C	Head Tube Angle	71.4°	72.1°	72.5°	73°	73°	73.5°
D	Front Centre	581	584	594	599	614	621
E	Bottom Bracket Drop	76.5	76.5	75	75	73.5	73.5
F	Wheelbase	978	981	992	998	1013	1020
G	Chainstay Length	410	410	410	410	410	410
H	Head Tube Length	114	128	150	169	198	218
I	Top Tube Length	508	526	544	557	572	584
J	Seat Tube Angle	74°	74°	74°	74°	75.5°	74.5°
K	Standover Height	719	737	759	779	805	834
All measurements in degrees or millimetres

Sizing Guide

The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.

We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.

Start a chat with our team

Size	Height
	Imperial	Metric
49	5'1" - 5'5"	155 - 163cm
52	5'4" - 5'7"	163 - 170cm
54	5'7" - 5'9"	170 - 175cm
56	5'9" - 5'11"	175 - 180cm
58	5'11" - 6'2"	180 - 188cm
61	6'2" - 6'5"	188 - 196cm

Part Numbers

Size	Model Number
	Gloss Shadow Silver	Gloss Red Sky
49	97226-1049	97226-1149
52	97226-1052	97226-1152
54	97226-1054	97226-1154
56	97226-1056	97226-1156
58	97226-1058	97226-1158
61	97226-1061	97226-1161

Specialized Aethos 2 Pro Ultegra Di2

Specialized Aethos 2 Pro Ultegra Di2

Specifications

Geometry

Sizing Guide

Part Numbers

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Specialized Aethos 2 Pro Ultegra Di2

Specialized Aethos 2 Pro Ultegra Di2

Specifications

Geometry

Sizing Guide

Part Numbers