Sod that for a laugh. They will rape quicker, ending up black in about 4 weeks. And the blackness of black tyres is created by carbon, which these white tyres don't have, and carbon is a hard wearing property.* *Dunno if this is right, just what i've read on a reliable website, can't remember what it was though... And i probably haven't repreached it right either. EDIT: Sam, that's for a front... Rear is 15.99 on CRC.