265/40 R21 Bridgestone Potenza Sport variants

Weight index

Select: 105105

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. 265/40 R21 is 60mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (265mm), which results in 106mm sidewall height. In 265/40 R21, there is only one possible speed index for Bridgestone Potenza Sport - "Y", which is good for speeds up to 300 km/h. In 265/40 R21, Potenza Sport usually competes against Pilot Sport 4 S, which is a tyre from Michelin with a rating of 86%, compared to 89% of the Bridgestone in question.