Theory 19mm American Bottom Bracket Kit - Purple 25t The item photo is a

The item photo is a stock image

It is constructed of 6069 T6 aluminum that is 30% stronger than 6061 T6

Bangin’ Cranks are perfect for the shredder on a budget

Posted Weight: 10

For use with 3/8" / 10mm axles

Theory 19mm American Bottom Bracket Kit - Purple 25t The item photo is aThe 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.