Campagnolo Bearing hub rings ceramic 4pcs 4-HB-HY123

Ceramic balls in polyamide retainer
OE for CULT and USB or upgrade from steel
Sold as set of 4, 2 required per hub/wheell
In CULT applications use with lightweight oil only
Old Part number HB-HY023
Fits all Campagnolo and Fulcrum OS axle hubs
Can be used in all current Campagnolo Bora, Hyperon, Shamal, Eurus, Neutron, Zonda, Proton wheelsets and Campagnolo Record hubs
Also fits Fulcrum Racing Speed, Racing Light, Racing Zero, Racing 1 wheelsets and Racing 3 wheelsets