Offset shock mounting hardware. Made of a durable PET plastic these “offset bushings” slot into your existing shock bushings (we recommend the cream color Fox bushings) This allows for a shorter shock stroke by 2mm per end for 8mm hardware. The result is a change in head angle and bottom bracket height. These are for “testing purposes only” and are not guaranteed to last as long as metal hardware but they have advantages in reduced friction over stock aluminum hardware. Please use common sense with this product. NOT RECOMMENDED FOR FRAMES WITH CHEAP ALUMINUM SHOCK MOUNTING BOLTS. WE OFFER NO WARRANTY ON FRAME CLEARANCES OR SHOCK BOLT STRENGTH. If you want a long term solution take a look at the brass or titanium options available elsewhere online.