SUOFEILAIMU Abec-11 608 Ceramic Ball Bearing Roller Skates Inline Speed Skating Inline Skate Shoes 7 Ball Ceramic Skate Bearing (Color : 16pcs Bearing 608)
- Specification: 608Z (single sided metal seal).
- Bearing material: silicon nitride black ceramic ball + special grade steel inner and outer ring.
- Number of balls: 7 silicon nitride black ceramic balls.