Crewser Sealed American Bottom Bracket – 19mm Fitment

Keep your ride smooth and dialed with the Crewser Sealed American Bottom Bracket. Designed to fit 19mm spindles, this durable, low-maintenance BB is built for strength and reliability—perfect for BMX, cruisers, or any build using an American BB shell.

This complete kit includes a center tube spacer, sprocket adapter, and adjustment washers for a precise, secure fit. Whether you're replacing worn parts or upgrading your setup, the Crewser bottom bracket delivers long-lasting performance and easy installation.

-Sealed American Bottom Bracket
-Made to fit 19 mm
-Includes center tube spacer, sprocket adapter, adjustment washers