40-Series Zero Stack headsets set the standard for performance, durability and value. Drawing from the premium 110-Series design, the 40-Series includes all the features necessary for a durable, lightweight, long-lasting headset.
6000 series alloy cups and materials
Carbon-friendy compression ring captured in top cover, keeping shims in place
Interlok spacer compatible
Sealed black oxide bearings
Sealed ZN40 cartridge bearings
Steel crown race with integrated seals
Specifications & Identifiers
Bearing Type
Sealed Cartridge
Color
Black
Crown Race
30mm
Material
6000 Series Aluminum, 6061 Aluminum, 6061-T6 Aluminum, Aluminum, Stainless Steel
S.H.I.S. Lower
ZS44
S.H.I.S. Stem Clamp
28.6 Threadless
S.H.I.S. Upper
EC49
UPC
840226077659
MPN
BAA0739K
Tree Fort ID:
333222463029
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response