Headset

Allows you to mount Trek RCS stems - 5 mm or 15 mm

Compatible with Trek Emonda SL and SLR - 5 mm and 15 mm

Trek 5mm headset spacer, slotted for quick installation

Steel, 51 x 40 x 6.5 mm

56g

Compatible with Madone SLR, Madone SL, Emonda SLR and Emonda SL

TeamMachine, Roadmachine and Kaius models

Compatible with Colnago V5RS

Several colours

4 heights: 2, 5, 10 and 20mm

Replacement stem cap, high version (+4mm) for the Trek Aero RSL Madone 8th generation cockpit

Trek 15mm headset spacer, slotted for quick installation

Compatible with Aero RSL stem

Cap with two stars

Compatible with the Madone Gen. 7 handlebar

Compatible with 28.6 mm (1-1/8") fork steerer tube – Trek RCS headset system

Compatible with the Deda Alanera RS handlebar

For Madone, Emonda, Domane+ HP

Replacement top cover for the Trek Aero RSL

Split ring/crown for Trek Madone Generation 8 RCS PRO headset - Reference W5315339

D-shape - Compatible with Déda Alanera RS and Superbox

For 1½" fork steerer

Carbon fibre cover, 24g

Compatible with Knock Block technology

Height 19 cm - Steel stems

Just 24g

Replacement cover - Madone SLR 7th Generation

Component for adjusting the steering angle 

Semi-integrated headset - 1.1/8" compatible

Trek Madone Gen. 9 Upper Headset Cup

51x40x7mm 36° bearing

BMC: Teammachine R01 2024

For BMC ICS2 concept frames

Refurbish your headset

AERO/TICR expander kit for the 2022–2024 Dogma F Disc from Pinarello, fitted with the ultra-light ‘ Most ’ combo

Head tube cover for the 2018 Trek Domane with front IsoSpeed.

Spacer set - carbon - 1 1/8

Compatible with Pinarello Dogma F

Complete version with 15mm headset cap

From the 2025 range

Supplied complete

Genuine Trek part

Lower cup supplied with headset cover

Compatible with Colnago V5RS

44 mm diameter, 9 mm high cup, 1.1/8"

Handlebar assembly and adjustment

Complete set for fitting the handlebar

Fitting the Déda Alanera handlebars on a Van Rysel

Integrated bearings

Generation from 2018 to 2020

2019 range and beyond

BMC-specific shape

Includes 2 bearings

Bearings and cups, Pinarello Dogma F, F12 1.5'' top and bottom, 45/45°

Zero Stack (ZS) semi-integrated headset

Colnago C64, Concept, V3RS