Bridgestone R-Trailer 001 is a allround tyre made in total of 7 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (205mm), which results in 133.25mm sidewall height. In 205/65 R17, there is only one possible speed index for Bridgestone R-Trailer 001 - "J", which is good for speeds up to km/h.