Features:
– ABEC 7 standard alloy steel bearing races
– Grade 3 Si3N4 ceramic balls – highest precision in the market
– Kluber grease
– Specially designed Nylon bearing retainer for more shock absorbing and less friction
– Light touch rubber seals – super smoothness
Weight:
– 37g
Include:
– 2 x HSC hybrid ceramic bearings ONLY
Crank compatibility:
– Campagnolo Ultra Torque and Fulcrum Racing Torq cranks
