Bridgestone grader tyres are made with compounds that help prevent cuts, irregular wear and increase manoeuvrability. As they are used on soft and uneven rubble, gravel or dirt surfaces, self-cleaning tread design helps improve traction.
Along with the manufacturer's name and the name of the tyre (e.g. Bridgestone Ecopia), there's always a set of numbers and letters that relate to the size of the tyre.
Here's a rundown on what those numbers mean:
205 is the section width of the tyre in millimetres.
60 is the aspect ratio or tyre profile.
R means it is radial construction.
15 is the diameter of the wheel rim in inches.
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