1. Features
Superior material: Bearing retainers are typically crafted from high-grade steel, offering excellent quality, high strength, and durability. They withstand various stresses encountered during bicycle riding without deformation or damage.
Rational design: The 5/16inch 9 ball specification ensures precise retention of nine steel balls. These balls are arranged neatly and tightly, preventing dislodgement and guaranteeing bearing stability and reliability.

2. Specifications
Product model: 5/16inch 9 ball bicycle ball bearing retainer
Dimensions: Outer diameter 44.5mm/1.74in, inner diameter 32.5mm/1.26in, ball diameter 8mm/0.31in

3. Package contents
4pcs 5/16inch 9 ball bicycle ball bearing retainers

4. Installation notes
Thoroughly clean all components prior to installation, removing grease, dust, and other contaminants to ensure no foreign matter remains. Use neutral, water-free diesel or kerosene for cleaning. Immediately apply rust-preventative oil or grease after cleaning.