285/40 R21 Bridgestone Potenza Sport variants

Weight index

Select: 109109

Speed index

Select: Select, Y (300 km/h)Y (300 km/h)

This combination is not available.

MFSNo

RunflatNo

Special:

Bridgestone Potenza Sport is a summer tyre made in total of 133 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 285/40 R21 is 80mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height. In 285/40 R21, there is only one possible speed index for Bridgestone Potenza Sport - "Y", which is good for speeds up to 300 km/h.