Tire Size Load Index Chart
In our example the service description is the last three characters.
Tire size load index chart. P19560r15 87s the load index 87 is the tire sizes assigned numerical value used to compare relative load carrying capabilities. Both in metric and in imperialenglishstandard units. When the super smart engineers designed and built your car they crunched some numbers and determined exactly how much weight it could carry safely based on the right tire size and pressure. Tires with the same size check the vehicle placard owners manual or tire guide for recommended air pressure.
Rim diameter overall tire diameter section width section height aspect ratio tire circumference tire revolutions per milekm. If the customer does not have or is not putting the oe tire size on the vehicle determine air pressure by doing the following. Always use the exact tire size type speed and load rating recommended by the manufacturer of your motorcycle. When switching tire sizes always use tires with same or greater tire load index than the original equipment tires.
A tires load index what exactly is tire load index. In the case of our example the 87 identifies the tires ability to carry approximately 1201 pounds. Use vehicle placard or tire guide to find load index and air pressure of oe tire. Tire load index identifies how much weight your tire can carry safely.
Overloading can cause uneven tire wear tire damage or tire blowout. Select the correct inflation table and find the load carrying. Never try to second guess the designers and engineers with regards to tire size type speed or load rating. Tire size chartstables for metric and inch tires which display all relevant tire dimensions.
20560r15 91v 91v in service description means this tyre can carry maximum 615 kg1356 lb while going up to the maximum speed of 240kmh150mph. A tire with a lower load index than the original equipment tire indicates the tire does not equal the load capacity of the original. Tire load index chart and understanding your tires code the service description is simply the speed rating and the load rating together. 22545r17 94h 94 is the load rating and h is the speed rating.