6805N-2RS-HC-BO Hybrid Ceramic WITH BLACK OXIDE COATING Campagnolo Ultra Torque
Campagnolo Bearings. 6805N-2RS-HC-BO CAMPGNOLO ULTRA TORQUE HYBRID CERAMIC WITH BLACK OXIDE COATING 25x37x6. Hybrid ceramic bearings have steel inner and outer races with Black Oxide Coating and ceramic Si3N4 balls in place of steel ones.