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What thru-axle does a Cervelo S5 Disc (2020 on) use?

The axle fitment standard on a Cervelo S5 Disc (2020 on), and how to pick the right part.

DROPS IN
A Cervelo S5 Disc (2020 on) uses a 12x100 mm front thru-axle at the front (12 mm x 100 mm, front).
This frame's fitment
FrameCervelo S5 Disc (2020 on)
Front thru-axle12x100 mm front thru-axle (12 mm x 100 mm, front)
Axle diameter12 mm axle
Thread pitchcommonly M12 x 1.5, though 1.0 and 1.75 are also used depending on the fork
SHELL commonly M12 x 1.5, though 1.0 and 1.75 are also used depending on the fork
SPINDLE see table

The Cervelo S5 Disc uses an integrated IS42 upper headset, a class 27.2 mm seatpost interface, a 12x100 front thru-axle and a braze-on front derailleur.

The S5 uses a proprietary aero post, so the 27.2 mm figure is the class default. The bottom bracket is a BBRight press-fit shell, covered on its own page.

The part to buy
Search Amazon for 12x100 mm front thru-axle for your Cervelo S5 Disc (2020 on)affiliate searchFind 12x100 mm front thru-axle for your Cervelo S5 Disc (2020 on) on eBayaffiliate
Related fitment pages
12x100 mm front thru-axle12 mm x 100 mm, frontBottom bracket for Cervelo S5 Disc (2020 on)same frame, BB shellHeadset on a Cervelo S5 Disc (2020 on)same frame12x100 mm front thru-axle on a Trek Emonda SLR (2024 on)same standard, another frame

SOURCES: BikeRadar, Road bike axle standards: the complete guide · Modern Bike, How To Measure Bicycle Thru-Axles · Park Tool, Standardized Headset Identification System (SHIS)