ZN40-Series bearings are corrosion-resistant zinc-coated machined steel cartridge bearings with hardened steel balls which vastly increases the longevity of your headset.

Compatible with 110- 40- and 10-Series headsets

Cartridge Bearing Angle	36x45
Bearing I.D. (mm)	27.25
Bearing Type	Cartridge
Bearing O.D. (mm)	38
Thickness	6.5