Full Speed Ahead NO.10 Internal Headset 1.6/8.9 Black No.10

Internal/ZS headset for 1-1/8" steerer with alloy top cover.

Cup & cone bearings

Color	Black
Lower Stack Height	3.7
Bearing Type	Cup and Cone
Crown Race	30
Defined Color	Black
Upper Stack Height	5.2
S.H.I.S Upper	ZS44
S.H.I.S. Stem Clamp Diameter	28.6 Threadless
S.H.I.S Lower	ZS44