GBC, grooved Bomb Squad MX Tire Test November 20, 2013 FacebookTwitterPinterestWhatsApp ATVonDemandWed, November 20, 2013 7:12pmURL:Embed:Designed to be grooved tor various track conditions, we put a set of grooved GBC Bomb Squad MX tires to the test to see how well they can be made to perform on loamy or deeply tilled track conditions. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related