The Matt Ray Signature VVS Sprocket is a mixture of CNC and stamp forging that takes advantage of both processes to create a sick new addition to the Shadow sprocket lineCombination of laser and screen print to give a sophisticated, ultra-finished look15/16` bore with 19mm & 22mm adaptor5mm thick 7075-T6 alloy1pc25T7075ALSilver1spStandardUPC/EAN/GTIN: 810006217452