The lezyne cnc chain whip is a heavy duty shop quality chain whip with a classic twist a custom lezyne chain is attached with stainless bolts for easy chain replacement a stamped cnc machined heat treated steel plate with integrated lockring tool finished off nicely with a 100 cnc machined aluminum handle for strength and durability a durable and long lasting piece of workshop equipment key features 8910 speed compatible made from stamped cnc machined heat treated steel plate