Stan's partnered with Daysaver to build upon the usability, convenience and patented ride-saving brilliance of the original DART tool Can be installed inside the handlebar or stored in a pocket or pack Incredible DART handlebar mount (SX8225) sold separately Spring loaded arm deploys the DART head quickly, ready to form a permanent mechanical and chemical seal in torn or punctured tires Includes 3 DART heads Alloy body