Fila primo xta inline skates the fila primo xta inline skates have been constructed with flow air and softwear technology for a cooler and more comfortable fit whilst the 84mm wheels and abec 7 bearings provides a smooth and controlled ride roller skates speed lacing buckle fastening padded ankle heel brake to the right foot flow air softwear technology 84mm wheels abec 7 bearings fila branding blacklime 7