rockford fosgate tms6sg power harley-davidson street glide 6.5" full range fairing speakers (2006-2013) rockford fosgate the tms6sg is a full range coaxial speaker designed to fit the fairing speaker locations of the 2006-2013 model year harley-davison street glide motorcycles. it features a neodymium motor structure driving a co-molded, reinforced polypropylene cone with santoprene surround. it also features an ultra-efficient 25mm dome tweeter with integrated phase plug and is made water/weather resistant with the addition of a santoprene front isolation spider connecting between the tweeter housing and cone assembly. the speaker mounts using the factory hardware and comes with new grille assemblies.