Name: 2026 Specialized Aethos 2 Expert - Shimano Ultegra Di2
Brand: Specialized
SKU: 97226-3161
Price: 6600.0 USD
Availability: InStock

2026 Specialized Aethos 2 Expert - Shimano Ultegra Di2

$6,600.00

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Color

Gloss Dolomite Metallic/Blue Pearl Over Shadow Silver

Size

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Aethos 2 Expert — Shimano Ultegra Di2

Aethos 2 Expert

Shimano Ultegra Di2 · 705g FACT 10r · Performance Endurance · 7.12kg

With a 705g frame, the Aethos 2 is the lightest bike in its class. But weight was never the point. Built by breaking racing's rules to deliver pure road riding bliss, it's engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance, refined components, and data-based fit-enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.

705g FACT 10r Carbon Frame: Lightest bike in its class, Rider First Engineered™.
FACT 10r Carbon Fork: Full carbon, 12x100mm thru-axle, flat-mount disc.
Shimano Ultegra Di2 R8150: 12-speed electronic shifting with semi-wireless cockpit.
Roval C38 Carbon Wheels: Tubeless-ready, 38mm depth, 21mm internal width.
Roval Alpinist Carbon Cockpit: 125mm drop, 75mm reach, Specialized Pro SL stem.
52/36t Crankset: Shimano Ultegra R8100, optimized for all-around performance.
Body Geometry Power Expert Saddle: Ergonomic pressure relief, hollow chromoly rails.
28mm Tire Clearance: Increased clearance for modern road tires.

Complete build at 7.12kg (56cm). Six sizes: 49, 52, 54, 56, 58, 61.

705g FACT 10r Carbon Frame

Lightest bike in its class. Rider First Engineered™ ensures every size hits its target ride quality. Threaded BB, hidden cable routing, 12x142mm thru-axle, flat-mount disc.

FACT 10r Carbon Fork

Full carbon construction, 12x100mm thru-axle, flat-mount disc integration. Tuned for the perfect balance of compliance and steering precision.

Shimano Ultegra Di2 Electronic Shifting

12-speed Di2 electronic shifting with semi-wireless cockpit. Ultegra R8100 crankset (52/36t), R8150 front and rear derailleurs. Hydraulic disc brakes with smooth, consistent modulation.

Roval C38 Carbon Wheels

Tubeless-ready carbon clinchers, 38mm depth, 21mm internal width. Balanced aerodynamics and compliance for all-day road performance.

Roval Alpinist Cockpit

Separate carbon handlebar (125mm drop, 75mm reach) and Specialized Pro SL stem. Matched to frame size: 380-440mm width, 80-110mm stem lengths. Supacaz Super Sticky Kush bar tape.

Shimano Ultegra BR-R8170 Hydraulic Brakes

Flat-mount hydraulic disc brakes with servo wave lever geometry. Consistent, powerful stopping in all conditions.

	49	52	54	56	58	61
Crank Length	165	170	172.5	172.5	175	175
Handlebar Width	380	400	400	420	420	440
Stem Length	80	90	100	100	110	110
Saddle Width	155	155	143	143	143	143
Seatpost Length	300	300	360	360	360	360
Stack	522	538	559	580	606	627
Reach	373	377	384	391	398	404
Head Tube Length	114	128	150	169	198	218
Head Tube Angle	71.4°	72.1°	72.5°	73°	73°	73.5°
BB Height	265.5	265.5	267	267	268.5	268.5
BB Drop	76.5	76.5	75	75	73.5	73.5
Trail	62	58	55	55	55	52
Fork Length, Full	372	372	372	372	372	372
Fork Rake/Offset	50	50	50	47	47	47
Front Center	581	584	594	599	614	621
Chainstay Length	410	410	410	410	410	410
Wheelbase	978	981	992	998	1013	1020
Top Tube Length, Horizontal	508	526	544	557	572	584
Bike Standover Height	719	737	759	779	805	834
Seat Tube Length	450	470	490	510	535	570
Seat Tube Angle	75.5°	74.5°	74°	74°	74°	74°

Frameset

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

Seat Binder

Specialized Alloy, 30mm

Brakes

Front Brake

Shimano Ultegra BR-R8170, hydraulic disc

Rear Brake

Shimano Ultegra BR-R8170, hydraulic disc

Brake Levers

Shimano Ultegra Di2 R8170, hydraulic disc

Drivetrain

Bottom Bracket

Shimano Threaded BSA BB

Chain

Shimano XT CN-M8100, 12-speed

Crankset

Shimano Ultegra R8100, 52/36t

Front Derailleur

Shimano Ultegra Di2 R8150, braze-on

Cassette

Shimano Ultegra, 12-speed, 11-30t

Rear Derailleur

Shimano Ultegra Di2 R8150, 12-speed

Wheels & Tires

Front Wheel

Roval C38, 21mm internal width carbon rim, tubeless ready

Rear Wheel

Roval C38, 21mm internal width carbon rim, tubeless ready

Front Tire

S-Works Turbo, 700x28

Rear Tire

S-Works Turbo, 700x28

Inner Tubes

700x20-28, 48mm Presta Valve

Cockpit

Handlebars

Roval Alpinist Carbon Handlebar, 125mm drop, 75mm reach

Stem

Specialized Pro SL, alloy, 4-bolt

Seatpost

Roval Alpinist Carbon Seatpost

Saddle

Body Geometry Power Expert

Tape

Supacaz Super Sticky Kush

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

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Technology

🏆

705g FACT 10r Frame

Lightest road frame in its class. Most optimized layup ever. Aethos redefined how we build bikes.

⚡

Rider First Engineered

Every rider gets the famed Aethos ride quality regardless of size. Pure road riding bliss.

🚴

Refined Performance Fit

15mm more stack takes pressure off hands, neck, and shoulders. 7mm longer wheelbase for descending confidence.

⚡

Ultegra Di2 12-Speed

Shimano Ultegra Di2 R8170 electronic shifting. 52/36t crankset, 11-30t cassette. Precise, smooth.

🎡

Roval C38 Wheels

21mm internal width carbon rims, tubeless ready. Versatile all-rounder for rough miles and alpine passes.

🎯

Slacker Head Tube

0.5° slacker (73° on 56cm) for nimble but intuitive handling. 410mm chainstay, 76.5mm BB drop.

Built For

Road Racing

Endurance

All-Road

Climbing

Performance Numbers

7.12kg

Bike Weight

56cm as built, tubeless

705g

Frame Weight

FACT 10r Carbon

Speeds

Ultegra Di2, 11-30t

410mm

Chainstay

Stiff & responsive

Gallery

Specifications

Component	Detail
Frame	Aethos 2 FACT 10r Carbon, Rider First Engineered, threaded BB, 12x142mm
Fork	Aethos 2 FACT 10r Carbon, 12x100mm, flat-mount disc
Shifters	Shimano Ultegra Di2 R8170, hydraulic disc
Front Derailleur	Shimano Ultegra Di2 R8150, braze-on
Rear Derailleur	Shimano Ultegra Di2 R8150, 12-speed
Crankset	Shimano Ultegra R8100, 52/36t
Cassette	Shimano Ultegra, 12-speed, 11-30t
Brakes	Shimano Ultegra BR-R8170 Hydraulic, flat-mount disc

Wheels & Cockpit

Roval C38 21mm int / Tubeless Ready

S-Works Turbo 700x28c

Roval Alpinist Carbon Handlebar

Pro SL Stem Alloy, 4-bolt

Body Geometry Power Expert Saddle

Video

Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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2026 Specialized Aethos 2 Expert - Shimano Ultegra Di2

Shipping Policy

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