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