Floating rotors have polished stainless steel or black chrome center hubs. Fit standard five-bolt flanges. All measure approximately 11.5in. in diameter. Available in wide band or narrow band. Wide band style is for use with OEM-style calipers. Narrow band is for use with smaller aftermarket calipers. Narrow-band brake pad swept area is 1.5in. wide. Front rotors are 0.2in. thick; rear rotors are 0.24in. thick. Sold each.