Aethos Pro - Shimano Ultegra Di2

The Aethos line promises three things—exceptional light weight, perfectly-balanced ride characteristics, and undeniable style—and this Aethos pro is no exception. Aethos: Billions of calculations in the pursuit of one thing—the perfect ride.

Spec’d with Shimano's Ultegra Di2 that delivers clean, crisp shifts and Roval’s Alpinist wheels mated to DT Swiss 350 hubs and your left with a no-fuss build that delivers, mile after mile.

Technical Specifications

Drivetrain

Shift Levers

Shimano Ultegra R8170, hydraulic disc

Front Derailleur

Shimano Ultegra R8150, braze-on

Rear Derailleur

Shimano Ultegra R8150, 12-speed

Cassette

Shimano Ultegra, 12-speed, 11-30t

Crankset

Shimano Ultegra R81000

Chainrings

52/36T

Bottom Bracket

Shimano Threaded BSA BB

Chain

Shimano M8100, 12-speed w/ quick link

Cockpit

Handlebars

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

Stem

Specialized Pro SL, alloy, 4-bolt

Tape

Supacaz Super Sticky Kush

Saddle

Body Geometry Power Pro, hollow titanium rails

SeatPost

Roval Alpinist Carbon Seatpost

Seat Binder

Specialized Alloy, 30mm

SUSPENSION

Fork

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

Frameset

Frame

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

Wheels & Tires

Front Wheel

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

Rear Wheel

Roval Alpinist CL, Tubeless, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, 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

Brakes

Front Brake

Shimano Ultegra R8170, hydraulic disc

Rear Brake

Shimano Ultegra R8170, hydraulic disc

Weight

6.93kg (15 lb, 4.4 oz)

Weight Size

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

Geometry

	49	52	54	56	58	61
Crank Length	165mm	165mm	170mm	170mm	172.5mm	172.5mm	172.5mm	172.5mm	175mm	175mm	175mm	175mm
Handlebar Width	380mm	380mm	400mm	400mm	420mm	420mm	420mm	420mm	440mm	440mm	440mm	440mm
Stem Length	80mm	80mm	90mm	90mm	100mm	100mm	100mm	100mm	110mm	110mm	110mm	110mm
Saddle Width	155mm	155mm	155mm	155mm	143mm	143mm	143mm	143mm	143mm	143mm	143mm	143mm
Seatpost Length	300mm	300mm	300mm	300mm	360mm	360mm	360mm	360mm	360mm	360mm	360mm	360mm
Wheelbase	973mm	975mm	978mm	991mm	1005mm	1012mm
Top Tube Length, Horizontal	508mm	531mm	540mm	562mm	577mm	595mm
Bike Standover Height	705mm	728mm	748mm	769mm	796mm	824mm
Seat Tube Length	431mm	462mm	481mm	504mm	532mm	567mm
Seat Tube Angle	75.5°	74°	74°	73.5°	73.5°	73°
Stack	514mm	527mm	544mm	565mm	591mm	612mm
Reach	375mm	380mm	384mm	395mm	402mm	408mm
Head Tube Length	109mm	120mm	137mm	157mm	184mm	204mm
Head Tube Angle	71.75°	72.5°	73°	73.5°	73.5°	74°
BB Height	266mm	266mm	268mm	268mm	268mm	268mm
BB Drop	74mm	74mm	72mm	72mm	72mm	72mm
Trail	63mm	58mm	58mm	55mm	55mm	52mm
Fork Length, Full	369mm	369mm	369mm	369mm	369mm	369mm
Fork Rake/Offset	47mm	47mm	44mm	44mm	44mm	44mm
Front Center	574mm	577mm	579mm	591mm	606mm	613mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	410mm