Black OpsMicro Drive

– CNC machined 6061-T6 alloy
– Fits 1-piece and 3-piece BMX cranks – 23.8mm hole for 1-piece cranks with shims for 19/22mm 3-piece cranks included
– Hard anodized coating
– Unique, 1/8″ quiet drive technology
– Mount Compatibility: 1-piece/3-piece
– Chain Compatibility: 1/2″ x 1/8″