Unique 10++ 185 65 R15 Tires. 1,542 185 65r15 tires products are offered for sale by suppliers on alibaba.com, of which other wheel & tire parts accounts for 36%, truck tires accounts for 1 there are 743 suppliers who sells 185 65r15 tires on alibaba.com, mainly located in asia. The circumference is 76.8 and they have 825 upsizing wheels or tires? Click the alternate sizes button to see a list of similar tire sizes.