FSA NO.54 Integrated Headset H2291 8.15mm Upper / 9.4mm Lower Stack Height MFPN=802024904 Featuring new Super Gravity technology

Featuring new Super Gravity technology to make it lighter it is still extremely sidewall-stable and snake-bite resistant

compatible with most road shoes

Unidirectional carbon weave

Doubles in function as a valve core remover for Schrader and presta valves

And Bumpers) 27/29 (Buttercup And Non-Buttercup Compatible) - Zeb A1+

FSA NO.54 Integrated Headset H2291 8.15mm Upper / 9.4mm Lower Stack Height MFPN=802024904 Featuring new Super Gravity technologyFSA NO. 54 Integrated Headset H2291 8. 15mm Upper 9. 4mm Lower Stack Height. This FSA integrated headset combines lightweight construction with smooth bearing operation ensuring consistent performance and clean aesthetics.