Home / Links VS Athletics Youth Track Spikes Smaller Sizes Spikes are made small so order a half/size to an whole size up to make sure they fit. Fitness Sports Youth/Adult Track Spikes Website Spikes are made small so order a half/size to an whole size up to make sure they fit. Replacement Track Spikes Order a bag of (100) 1/4 inch pyramid replacement spikes. A bag of 100 spikes normally last a whole track season. NCAAU Home Page for All Sports Web site for all AAU sports in NC. AAU Sports Website National AAU web site for all sports Register for SAT Info about taking and registering for the SAT(Scholastic Aptitude Test) NCAA Eligibility Website Information about initial-eligibility at NCAA Division I and II member colleges and universities. ACT Information Info about taking and registering for the ACT test USA Track & Field Website USA track and field web site.