Name: Specialized S-Works Aethos Dura-Ace Di2
Brand: Specialized
SKU: 210000084456
Price: 16999.99 CAD
Availability: OutOfStock

$16,999.99 CAD

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FACT 12r carbon, Shimano Dura-Ace Di2, and Roval Alpinist CLX II wheels make this ultralight machine the pinnacle of performance, the ultralight S-Works Aethos is perfect for climbing and has an unmatched ride feel.

Colour

Gloss Glacial Metallic / Red To Gold Pearl / Satin Silver Dust

Satin Doppio / Gunmetal Dry Brushed / Gold Pearl

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EMAIL: sales@steedcycles.com

PHONE: 604-987-2168

Description
Specifications
Geometry
Sizing Guide

Specialized S-Works Aethos Dura-Ace 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 S-Works Aethos FACT 12r Carbon, Rider First Engineered™, Threaded BB, Electronic cable routing only, 12x142mm thru-axle, flat-mount disc

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

Front Brake Shimano Dura-Ace 9200, Hydraulic Disc

Rear Brake Shimano Dura-Ace 9200, Hydraulic Disc

Shift Levers Shimano Dura-Ace R9270, hydraulic disc

Front Derailleur Shimano Dura-Ace R9250, braze-on

Rear Derailleur Shimano Dura-Ace R9250 12-speed

Cassette Shimano Dura-Ace, 12-speed, 11-30t

Chain Shimano XTR M9100, 12-speed w/quick link

Crankset Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiiis Dual PRECISION 3+ Pro Powermeter, with Apple Find My

Chainrings 52/36T

Bottom Bracket Shimano Dura-Ace, BB-R9100

Front Wheel Roval Alpinist CLX II, Tubeless, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval LFD hub, 21h, DT Swiss Aerolite spokes

Rear Wheel Roval Alpinist CLX II, Tubeless, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval LFD hub, 24h, DT Swiss Aerolite spokes

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 S-Works SL, alloy, titanium bolts, 6-degree rise

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

Saddle Body Geometry S-Works Power, carbon fiber rails, carbon fiber base

SeatPost Roval Alpinist Carbon Seatpost

Seat Binder Specialized Alloy, 30.0mm, titanium bolt

Weight 6.29kg (13 lb, 13.9 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 S-Works Aethos Dura-Ace Di2

Specialized S-Works Aethos Dura-Ace Di2

Specifications

Geometry

Sizing Guide

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