Theory 22mm American Bottom Bracket Kit - Purple 1" Threadless slip on the gloves that

slip on the gloves that custom fit your riding needs

This is not an indestructible part but it is much stronger than mild or Hi-ten steel

With the 6061-T6 shell & NDS jam nut

all of this is draped with a BMX race-specific tread that transitions from a center band with a large contact patch to unidirectional tactile knobbies on the sides

Theory 22mm American Bottom Bracket Kit - Purple 1" Threadless slip on the gloves thatThe Theory 22mm American BMX Bottom Bracket Kit includes anodized cups, sealed bearings, cone spacer, bottom bracket spacers, and a tube spacer. Color: Purple anodized 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. This is not a flaw or imperfection, but it is inherent to the anodizing process. We make every effort to show