Theory 19mm Mid BMX Bottom Bracket Kit - Red Sz 9.5 This will fit one piece

This will fit one piece cranks and can other types of cranks with a sprocket adapter (not included)

grooved tread for multiple conditions

the POSITION ONE saddle has an embossed vinyl covering padded with foam for weight gain and better ergonomics

and anti-slip walk pads are ready when your feet touch the ground

Theory 19mm Mid BMX Bottom Bracket Kit - Red Sz 9.5 This will fit one pieceThe Theory 19mm Mid BMX Bottom Bracket Kit includes sealed bearings, anodized cone spacers, bottom bracket spacers, and a tube spacer. Color: Red 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