The black ceramic bearing is designed for professional speed competition;
7 Si3N4 ceramic balls brings stable structure; strengthen cage never get cracked;
black oxide surface is cool and never get rusted;
self-lubricated features don't need oil;
Package included: 16 pieces bearings with iron container
وصف
Bearings
The black ceramic bearing is designed for professional speed competition;
7 Si3N4 ceramic balls brings stable structure;
strengthen cage never get cracked;
black oxide surface is cool and never get rusted;
self-lubricated features don't need oil;
Package included:
16 pieces bearings with iron container