TheBlack-Ops Micro Drive IISprocketareCNC machined from 6061 T6 aluminum.Ithas a 15/16" (23.8mm) bore andiscompatible with 1-piece cranks. This will work with 1/2" x 1/8" chains.Size: 25TColor:PurpleCan be used with a 19mm 3-piece crank with a19mm adapter.
TheBlack-Ops Micro Drive IISprocketareCNC machined from 6061 T6 aluminum.Ithas a 15/16″ (23.8mm) bore andiscompatible with 1-piece cranks. This will work with 1/2″ x 1/8″ chains.
Size: 25T
Color:Purple
Can be used with a 19mm 3-piece crank with a19mm adapter.
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