Name: Specialized Aethos Pro Shimano Ultegra Di2
Brand: Specialized
SKU: 210000084468
Price: 9999.99 CAD
Availability: OutOfStock

Specialized Aethos Pro Shimano Ultegra Di2

$9,999.99 CAD

Built with FACT 10r carbon, Shimano Ultegra Di2, and Roval Alpinist CL II wheels, the Specialized Aethos Pro balances weight, stiffness, and comfort, designed for exceptional all-day road performance.

Shipping Canada Wide

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EMAIL: sales@steedcycles.com

PHONE: 604-987-2168

Description
Specifications
Geometry
Sizing Guide

Specialized Aethos Pro Shimano Ultegra Di2

What if a bike could capture the pure, unadulterated love of riding? Enter the Specialized Aethos—a masterpiece born from over four decades of expertise and a relentless pursuit of perfection. Designed to balance ride quality, featherlight weight, and timeless style, the Aethos redefines what a road bike can be. Whether you're powering up steep climbs, carving down technical descents, or savoring all-day coffee rides, the Aethos delivers an unparalleled experience. With a redesigned traditional road frame shape and a cutting-edge carbon layup process, the Aethos boasts the lightest frame in its class at just 585 grams (S-Works, size 56cm), setting a new benchmark for performance and durability.

But the Aethos isn’t just about being light—it’s about delivering a ride like no other. By perfecting the balance of front and rear stiffness and mastering the way forces flow through carbon fiber, Specialized has created a bike that feels as if it anticipates your every move. From the Roval Alpinist carbon seatpost to the precision-engineered derailleur hangers and fork expander plug, every detail has been meticulously crafted to enhance style, weight savings, and durability. The Aethos isn’t just a bike; it’s the embodiment of cycling passion and the beginning of a new era in road riding.

Specifications

Frame Aethos FACT 10R Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc

Fork FACT Carbon, 12x100mm thru-axle, flat-mount disc

Front Brake Shimano Ultegra R8170, hydraulic disc

Rear Brake Shimano Ultegra R8170, hydraulic disc

Shift Levers Shimano Ultegra Di2 R8170

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 M8100, 12-speed w/quick link

Crankset Shimano Ultegra R8100 with 4iiiis Precision 3+ Power Meter

Chainrings 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 Tire S-works Turbo 2BR, 700x28mm

Rear Tire S-works Turbo 2BR, 700x28mm

Inner Tubes 700x20-28, 48mm Presta Valve

Tape Supacaz Super Sticky Kush

Stem Specialized Pro SL, alloy, 4-bolt

Handlebars S-Works Short & Shallow, 125mm Drop, 75mm Reach w/Di2 Hole

Saddle Body Geometry Power Pro with Mirror, hollow titanium rails

Seatpost Roval Alpinist Carbon Seatpost

Seat Binder Specialized Alloy, 30mm

Weight 6.78 kg (14 lb, 15.2 oz) 56cm

*Specifications are subject to change without notice

Geometry

		49	52	54	56	58	61
A	Reach	375	380	384	395	402	408
B	Stack	514	527	544	565	591	612
C	Head Tube Angle	71.75°	72.5°	73°	73.5°	73.5°	74°
D	Front Centre	574	577	579	591	606	613
E	Bottom Bracket Drop	74	74	72	72	72	72
F	Wheelbase	973	975	978	991	1005	1012
G	Chainstay Length	410	410	410	410	410	410
H	Head Tube Length	109	120	137	157	184	204
I	Top Tube Length	508	531	540	562	577	595
J	Seat Tube Angle	75.5°	74°	74°	73.5°	73.5°	73°
K	Standover Height	705	728	748	769	796	824
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

Specialized Aethos Pro Shimano Ultegra Di2

Specialized Aethos Pro Shimano Ultegra Di2

Specifications

Geometry

Sizing Guide

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