Velopedia Bicycle Archive

2023 Specialized Aethos Comp

Original specifications: 7.68kg (16 lb, 14.9 oz) published weight · geometry for 6 published sizes.

Share owner experience

Selling this bike? Get the spec link and selling options

At a glance

Model year
2023
Category
Road
Original MSRP
$4,999.99
Sizes
49, 52, 54, 56, 58, 61
Colors
Gloss 100% Red Ghost Pearl over Dune White/Dune White, Satin Carbon/Abalone over Carbon
Weight
7.68kg (16 lb, 14.9 oz)
Geometry
6 manufacturer sizes
In this record
19 specifications · 8 archived images · original MSRP · geometry
Archive ID
900004117
Model history 1 other year
Campaign
Original buildCarbon Fiber

Manufacturer catalog

Published sizes and colors

6 sizes · 2 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

495254565861

Published colors

Gloss 100% Red Ghost Pearl over Dune White/Dune WhiteSatin Carbon/Abalone over Carbon

Frameset

Frame ConstructionAethos FACT 10R Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
Frame MaterialCarbon Fiber
ForkFACT Carbon, 12x100mm thru-axle, flat-mount disc
Fork MaterialCarbon Fiber

Drivetrain

ShiftersShimano 105 Di2 7170
Front DerailleurShimano 105 Di2 7150, braze on
Rear DerailleurShimano 105 Di2 7150
CranksetFC-R7100, 105, 12-Speed, Holllowtech 2; chainrings: 32T
Bottom BracketShimano Threaded BSA BB
CassetteShimano 105, 12-speed, 11-34t
ChainShimano SLX M7100, 12-speed w/ quick link

Brakes

Brakes(F) Shimano 105 R7170, hydraulic disc / (R) Shimano 105 R7170, hydraulic disc

Cockpit & Contact Points

HandlebarSpecialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
StemSpecialized Pro SL, alloy, 4-bolt
SaddleBody Geometry Power Sport, steel rails
SeatpostRoval Alpinist Carbon Seatpost

Wheels & Tires

Wheels(F) DT R470 Disc / (R) DT R470 Disc
Front TireTurbo Pro, 700x28
Rear TireTurbo Pro, 700x28

Geometry

6 sizes · 20 measurements

Frame measurements by size.

All geometry measurements6 sizes · 20 measurements
Measurement495254565861
Seat tube431 mm462 mm481 mm504 mm532 mm567 mm
Effective top tube508 mm531 mm540 mm562 mm577 mm595 mm
Head tube109 mm120 mm137 mm157 mm184 mm204 mm
Head-tube angle71.75°72.5°73°73.5°73.5°74°
Seat-tube angle75.5°74°74°73.5°73.5°73°
Chainstay / rear center410 mm410 mm410 mm410 mm410 mm410 mm
Wheelbase973 mm975 mm978 mm991 mm1005 mm1012 mm
Bottom-bracket drop74 mm74 mm72 mm72 mm72 mm72 mm
Bottom-bracket height266 mm266 mm268 mm268 mm268 mm268 mm
Reach375 mm380 mm384 mm395 mm402 mm408 mm
Stack514 mm527 mm544 mm565 mm591 mm612 mm
Standover height705 mm728 mm748 mm769 mm796 mm824 mm
Fork offset / rake47 mm47 mm44 mm44 mm44 mm44 mm
Front center574 mm577 mm579 mm591 mm606 mm613 mm
Trail63 mm58 mm58 mm55 mm55 mm52 mm
Fork length / axle-to-crown369 mm369 mm369 mm369 mm369 mm369 mm
Seatpost length300 mm300 mm360 mm360 mm360 mm360 mm
Crank length165 mm170 mm172.5 mm172.5 mm175 mm175 mm
Stem length80 mm90 mm100 mm100 mm110 mm110 mm
Handlebar width380 mm400 mm420 mm420 mm440 mm440 mm

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes32T · 11–34T · 12-speed
Lowest0.94:1 Highest2.91:1 Total range309%
Estimated speed At 90 RPM Lowest gear6.7 mph Highest gear20.8 mph

Rear tire: 700C×28.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano SLX M7100, 12-speed w/ quick link Search: Shimano CN-M7100 chain
Retailer offers · Affiliate links
Cassette · Original
Shimano 105, 12-speed, 11-34t Search: Shimano 105, 12-speed, 11-34t cassette
Retailer offers · Affiliate links
Front tire · Original
Turbo Pro, 700x28 Replacement search: 700cx28 bicycle tire Before ordering: Check rim type and tire clearance.
More parts (6)
Brake pads · Original
(F) Shimano 105 R7170, hydraulic disc / (R) Shimano 105 R7170, hydraulic disc
Bottom bracket · Original
Shimano Threaded BSA BB
Retailer offers · Affiliate links
Front derailleur · Original
Shimano 105 Di2 7150, braze on Search: Shimano 105 12-speed Di2 front derailleur
Retailer offers · Affiliate links
Rear derailleur · Original
Shimano 105 Di2 7150 Search: Shimano 105 12-speed Di2 rear derailleur
Retailer offers · Affiliate links
Shifters · Original
Shimano 105 Di2 7170 Search: Shimano 105 12-speed Di2 shifter
Handlebar · Original
Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
0 of 19 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2023 Specialized Aethos Comp · Road · Published sizes: 49, 52, 54, 56, 58, 61

Archived: 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 · Carbon Fiber

Archived: Shifters: Shimano 105 Di2 7170 · Front derailleur: Shimano 105 Di2 7150, braze on · Rear derailleur: Shimano 105 Di2 7150 · Crankset: FC-R7100, 105, 12-Speed, Holllowtech 2; chainrings: 32T · Bottom bracket: Shimano Threaded BSA BB · Cassette: Shimano 105, 12-speed, 11-34t · Chain: Shimano SLX M7100, 12-speed w/ quick link

Archived: Brakes: (F) Shimano 105 R7170, hydraulic disc / (R) Shimano 105 R7170, hydraulic disc

Archived: Wheels: (F) DT R470 Disc / (R) DT R470 Disc · Front tire: Turbo Pro, 700x28 · Rear tire: Turbo Pro, 700x28

Controls and contact points

Archived: Handlebar: Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp · Stem: Specialized Pro SL, alloy, 4-bolt · Seatpost: Roval Alpinist Carbon Seatpost · Saddle: Body Geometry Power Sport, steel rails

Before and during the test ride

Follow the full used-bike inspection order →

My Garage

Velopedia

Enter your email and Velopedia will send a private sign-in link. No password required.

Have you owned this bike?Help preserve its real-world history by sharing your owner experience.

Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.

Add fit, maintenance and buyer detailsOptional · five additional fields

Your contribution goes directly to Velopedia’s private review queue. We’ll email an optional confirmation link plus a private edit and withdrawal link, but you do not need to confirm your email before an administrator can review or approve the submission.

Already contributed? Send me a fresh private edit link

For privacy, Velopedia shows the same confirmation whether or not an experience exists.

Gallery8 images

Checking current listings…

Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

Scroll to Top