Theory 19mm American Bottom Bracket Kit - Purple 28tpi OPC Material: 6061 T6 aluminum

Material: 6061 T6 aluminum

Sold as a pair

Color: Green Anodized

This bearing will work with many freecoaster hubs

Theory 19mm American Bottom Bracket Kit - Purple 28tpi OPC Material: 6061 T6 aluminumThe Theory 19mm American BMX Bottom Bracket Kit includes anodized cups, sealed bearings, cone spacer, bottom bracket spacers, and a tube spacer. This bottom bracket will fit many popular cranks such as Profile Race, Redline Flight, Fit, and many other 19mm cranks. Color: Purple Note: This part was colored by anodizing, which is a method of coloring metal. Color differences do occur among manufacturers and even among batches from the same manufacturer.