Theory 19mm Mid BMX Bottom Bracket Kit - Purple 2.30 Up Sweep: 2°

Up Sweep: 2°

Width: 21"

This is one Ralson R-5701 "Contact" tire

there’s never been a better way to hop on and hit up some smooth miles at your own speed

you won't have to worry about any uncomfortable stitching or rubbing

Theory 19mm Mid BMX Bottom Bracket Kit - Purple 2.30 Up Sweep: 2°The Theory 19mm Mid BMX Bottom Bracket Kit includes sealed bearings, anodized cone spacers, 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 accurate