One of the ball bearing retainer sizes (5/16” X 12 balls) for BMX bottom bracket service. (Please always measure your original parts to ensure you are ordering the right replacement parts) Made of high-quality carbon steel material. Lubricated for corrosion resistance and long service life. Please still put some lubricant during installation to maximize its service life These bearing cage could also replace loose bearings Sold as pack of 2 pcs. Features:


One of the ball bearing retainer sizes (5/16” X 12 balls) for BMX bottom bracket service. (Please always measure your original parts to ensure you are ordering the right replacement parts)

Sold as pack of 2 pcs.

Made of high-quality carbon steel material.

Lubricated for corrosion resistance and long service life. Please still put some lubricant during installation to maximize its service life

These bearing cage could also replace loose bearings