Black Ops Micro Drive II Sprocket is built from 6061 T6 aluminum and is a great options for those that need a replacement sprocket on a budget. fits 1-piece and 22mm 3-piece BMX cranks.

Drilled for 15/16 cranks (1pc cranks) and will fit 19mm and 22mm 3pc cranks with correct sprocket spacer (not included)