Cane Creek 70-Series Headset ZS44/28.6|ZS56/40 Blue Upper Stack Height-9 It does not compromise the

It does not compromise the shifting in the smaller cogs of the cassette but yet it enables the derailleur to work with as large as a 40T cassette

Boost 110: allows for a hub with a wider hub flange that provides the rider with a stiffer wheel for more precise steering

Asthma Filter (discontinued): Lowest airflow and highest heat recovery

15mm diameter 46g

and extra tacky

Cane Creek 70-Series Headset ZS44/28.6|ZS56/40 Blue Upper Stack Height-9 It does not compromise theDesigned to bridge the gap between the 40 and 110 series headsets Contoured and relieved 6061 T6 aluminum for minimized weight and maximized strength Low friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless steel Hellbender bearings Dual Seal crown race provides excellent seal efficiency with low friction Carbon friendly compression ring and Interlok