Black ops Micro Drive 30T chainring

CNC machined 6061-T6 alloy. Fits 1pc and 3pc BMX cranks - 23.8mm hole for 1pc cranks with shims for 19/22mm 3pc cranks included. Hard anodized coating . Unique 1/8` quiet drive technology table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;} TECH SPECSMount Compatibility1pc/3pc Teeth30TType Material Spec ColorBlack Chain Compatiblity1/2` x 1/8` Tooth TypeStandard Weight Offset