Sold in packs of 16 pieces, plus 8 aluminum UFO spacers included.
- Exclusive 6 ball design in-line bearing.
- Exclusive design 6 ball nylon retainer with a self-lubricate material.
- Inner ring with exclusive design \”SCRS\”, more avoid contamination.
- Ultra-Light Gel better protection inside balls and retainer.
- Clearance designed for in-line racing.