CEMA BB30A Interlock Stainless Steel Bottom Bracket Cups For Shimano

This product is a set of bottom bracket cups designed for use with Shimano bike components.

Specifically, they are BB30A Interlock Stainless Steel Bottom Bracket Cups, which means they are compatible with bikes that have a BB30A bottom bracket shell.

These cups are made from high-quality stainless steel, which provides durability and resistance to corrosion.

The interlock design ensures a secure fit and helps to prevent creaking or other unwanted noises.

Overall, these bottom bracket cups are an excellent choice for anyone looking to upgrade or replace their bike´s bottom bracket.