The Zaffiro is designed with deeper cuts in the middle tread and shallower cuts on the shoulder tread, giving a faster and safer tire when cornering. Color: Black/Black. Weight: 400. Tire Bead: Steel. ISO Diameter: 630 / 27". ISO Width: 32. Labeled Size: 27 x 1-1/4. Tire Type: Clincher. Tire Diameter: 27". Intended Use: Road. Defined Color: Black.