Mutiny BMX Socket-Drive TO Spline-Drive Sprocket Adapter - 19mm 48-Spline

NOS (New Old Stock) 48S Spline Drive adapter. FOR USE ONLY WITH ODYSSEY, MUTINY, and UNITED “SOCKET DRIVE” SPROCKETS, and any other sprockets that also use Odyssey’s patented Nonagon shaped bore in the center of the sprocket.