Replaces Cane Creek IS-3i headset
41.8mm angular contact bearings feature 36degree inner chamfer, 45degree outer (36/45)
Directly compatible with 42mm Italian head-tube but not 45/45 crown races or compression rings - uses 36/45 crown race and compression ring
Integrated (IS) assemblies feature chamfers molded inside the head-tube with no press-in cups
9mm stack height (short) top cover
Replaces Cane Creek ZS-3 headset
Black oxide, sealed cartridge bearings
ZS44/28.6|ZS44/30 fits 1-1/8" straight steerer tubes to straight 44mm (1-1/8") head tubes
Internally relieved AL-6061 T-6 cups and covers
Zero Stack (ZS) assemblies feature press-in cups with bearings inside the frame
8mm stack height (short) top cover

Item Specifications
Color	Black
Steerer Tube	1-1/8" Threadless
Crown Race	30.0
Bearing Type	Sealed
Headset Type	Integrated, 42.0mm OD, 45 deg bearing (Hiddenset)
Defined Color	Black
S.H.I.S Upper	IS42
S.H.I.S Lower	IS42
S.H.I.S. Clamp Diameter	28.6