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Aethos Expert

2021 Aethos Expert

What if we used every ounce of experience we’ve gained serving riders over the past 46 years and built a bike made simply for the love of riding? The Aethos is designed to straddle the line between perfect ride quality, extreme lightweight, and undeniable style. The Aethos Expert model is no exception.

With quick-shifting, low-maintenance Ultegra Di2 electronic shifting and hydraulic disc brakes paired with bomb-proof DT Swiss R470 Disc wheels, you have the perfect steed to excite you out on the road.

Technical Specifications

FRAMESET

Frame

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

SUSPENSION

Fork

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

COCKPIT

Handlebars

Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach

Stem

Specialized Pro SL, alloy, 4-bolt

Tape

Supacaz Super Sticky Kush

Saddle

Body Geometry Power Expert

SeatPost

Roval Alpinist Carbon Seatpost

Seat Binder

Specialized Alloy, 30.0mm

BRAKES

Front Brake

Shimano 105, Hydraulic disc

Rear Brake

Shimano 105, Hydraulic disc

DRIVETRAIN

Shift Levers

Shimano Ultegra Di2 Disc R8070

Front Derailleur

Shimano Ultegra Di2 R8050, braze-on

Rear Derailleur

Shimano Ultegra Di2 R8050, GS medium cage

Cassette

Shimano Ultegra R8000, 11-speed, 11-30t

Crankset

Shimano Ultegra R8000, HollowTech 2, 11-speed

Bottom Bracket

Shimano Threaded BSA BB

Chain

Shimano Ultegra, 11-speed

WHEELS & TIRES

Front Wheel

DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples.

Rear Wheel

DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, alloy freehub body, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples.

Front Tire

S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

Rear Tire

S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

Inner Tubes

Turbo Ultralight, 48mm Presta valve

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

495254565861
Crank Length165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width380mm400mm420mm420mm440mm440mm
Stem Length80mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length300mm300mm360mm360mm360mm360mm
Stack514mm527mm544mm565mm591mm612mm
Reach375mm380mm384mm395mm402mm408mm
Head Tube Length109mm120mm137mm157mm184mm204mm
Head Tube Angle71.75°72.5°73°73.5°73.5°74°
BB Height266mm266mm268mm268mm268mm268mm
BB Drop74mm74mm72mm72mm72mm72mm
Trail63mm58mm58mm55mm55mm52mm
Fork Length, Full369mm369mm369mm369mm369mm369mm
Fork Rake/Offset47mm47mm44mm44mm44mm44mm
Front Center574mm577mm579mm591mm606mm613mm
Chainstay Length410mm410mm410mm410mm410mm410mm
Wheelbase973mm975mm978mm991mm1005mm1012mm
Top Tube Length, Horizontal508mm531mm540mm562mm577mm595mm
Bike Standover Height705mm728mm748mm769mm796mm824mm
Seat Tube Length431mm462mm481mm504mm532mm567mm
Seat Tube Angle75.5°74°74°73.5°73.5°73°
Geometry

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