ROULEMENTS BOARSE HYBRID Si3N4 CÉRAMIQUE 608 POUR SKATEBOARD SCOOTER EN LIGNE ROLLER SK

Premium ABEC-9 hybrid Si3N4 ceramic bearings (see specification table below). Hybrid Si3N4 ceramic 608 wheel bearings. Seven Si3N4 ceramic balls. High precision and high performance endurance skateboard, scooter, inline roller skating.

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