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Bike component fitment: bottom bracket, headset, seatpost, axle

A Look 765 uses a 12x100 mm front thru-axle at the front (12 mm x 100 mm, front). The dimensions, how to confirm it on your frame, and how it compares to the neighbouring standards.

Updated 05 September 2026.

index / standards / record

What thru-axle does a Look 765 use?

The axle fitment standard on a Look 765, and how to pick the right part.

DROPS IN
A Look 765 uses a 12x100 mm front thru-axle at the front (12 mm x 100 mm, front).
This frame's fitment
FrameLook 765
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 Look 765 uses a IS42 integrated upper headset (integrated, 42 mm), a 27.2 mm class seatpost, a 12x100 mm front thru-axle at the front (12 mm x 100 mm, front) and a braze-on front derailleur.

The 27.2 mm figure is the mainstream disc-road interface; many of these frames ship a proprietary aero-shaped post, so confirm the exact part. The bottom bracket is covered on its own page.

The part to buy
Shop 12x100 mm front thru-axle for your Look 765 on AmazonaffiliateFind 12x100 mm front thru-axle for your Look 765 on eBayaffiliate
Related fitment pages
12x100 mm front thru-axle12 mm x 100 mm, frontBottom bracket for Look 765same frame, BB shellHeadset on a Look 765same 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)

Questions and answers

What thru-axle does a Look 765 use?

A Look 765 uses a 12x100 mm front thru-axle at the front (12 mm x 100 mm, front).