All Waterborne Skateboards genuine products are guaranteed to perform through their lifetime. Surf and Rail Adapter Aluminum parts and kingpins are guaranteed never to fail under normal usage. Irregular usage is defined by performing high impact maneuvers, riding over 20mph, or riding while heavier than 250 lbs. Bushings are guaranteed against tearing for 2 years and properly maintained Surf Adapter bearings should last 1 year. If you have any questions or claims about one of our products please contact customer support here: support@waterborneskateboards.freshdesk.com