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Ceramic bearings are harder and rounder than any steel bearing and makes the wheels roll faster and saves power


Ceramic wheel bearings as used in the Campagnolo Hyperon Ultra, Bora Ultra series and Fulcrum Racing Speed XLR, Racing Light wheelsets.

Kit 4-HB-HY123 can be used in Campagnolo Bora, Hyperon, Shamal, Eurus, Neutron, Zonda, Proton wheelsets and Campagnolo Record hubs. See below for special case of Bora wheels from 2015.
Also fits Fulcrum Racing Speed, Racing Light, Racing Zero, Racing 1 wheelsets and Racing 3 wheelsets
Price is for 4 bearings to fit front and rear wheels.
Kit 4-HB-HY123 contains 4 bearing rings which each hold 15 ceramic balls.