Bridgestone REGNO GR-Leggera 55 60 65 series

*Light-only tires are categorized according to the type of vehicle in which the size is mainly used. Therefore, if the size of the specially designed tire for each vehicle type is the original installation size of the vehicle used, the optional size, or the size that is approved for size correspondence, there is no problem even if you use it in a vehicle other than the dedicated vehicle type. All tubeless type.
Tire width refers to cross-sectional width. (Refer to "Indication of tire size")
The tire width does not include patterns and letters on the tire side.
The GR-Leggera uses an asymmetrical shape, and the outer tire width may swell by 1-2mm compared to the inner tire.

For more details please visit the below-attached link
REGNO GR-Leggera 55 60 65 series