TheProfile Imperial Sprocket has a22mm bore, and a 19mm adapter isincluded.

Color: Green
Size: 30t
This is a stock photo. You will receive the size listed above.

Manufacturer’s Note:This Profile Racing component was colored by anodizing. Anodizing is how we dye the metal. We make every effort to color match all anodized items, color shades and small color differences do occur. This is not a flaw or imperfection, but it is inherent to the anodizing process.