TIRE TREAD COMPRISING A CROSSLINKING SYSTEM BASED ON ORGANIC PEROXIDE

A tire tread comprises a rubber composition based on at least from 50 to 100 phr of a first diene elastomer, the first diene elastomer being a polybutadiene-based elastomer, modified with a functional group capable of interacting with silica as reinforcing filler; optionally from 0 to 50 phr of a second diene elastomer; at least 20 phr of carbon black; less than 40 phr of silica as reinforcing filler; a coupling agent; a plasticizing system comprising a plasticizing resin exhibiting a glass transition temperature of greater than 20° C.; and a crosslinking system based on organic peroxide; the total content of the first diene elastomer and of the second diene elastomer in the composition being within a range extending from 80 to 100 phr.