Reinforced tyres have been manufactured to operate under heavier loads.
With regards to the tyre handling higher loads, this can mean both pure weight from a larger vehicle such as an SUV or high speed loads from a sports car.Reinforced tyres gain their added weight bearing properties due to the capability to increase air pressure.
Please be aware reinforced tyres are not C rated or Commercial tyres. Commercial tyres are strengthen even further to use with large vans and utes.
RF - Reinforced (Can be confused with 'Run Flat' which some manufacturers use the same marking for)
RFD - Reinforced
XL - eXtra Load
EL - Extra load (Michelin)
Reinf - Reinforced