Theory 19mm Mid BMX Bottom Bracket Kit - Red 8.5" The peg is internally machined

The peg is internally machined for lightness and constructed of heat-treated 4140 chromoly for strength and durability

Color: Anodized Gold

Size: 25tColor: Red

making the transition to pedal bike much easier

These are designed to be used with a square taper bottom bracket and 110mm

Theory 19mm Mid BMX Bottom Bracket Kit - Red 8.5" The peg is internally machinedThe 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