amidoinitrite, repossessed to skate, skateboarding metric and imperial February 19, 2017 rowan_peter Leave a comment My lil’ scoundrels showing some signs of wear. 58 millimetres• of goodness. •I’ve always wondered why wheels sizes are measured in metric (mm) units while board sizes are in imperial (inches). A post shared by Repurposed Ruin (@repurposed_ruin) on Feb 18, 2017 at 1:21am PST Like this:Like Loading...