Shimano Nexus Cog Description:
Shimano Nexus Cogs attach to internally-geared Shimano hubs to complete single-speed drivetrains.
Features:
- Shimano Nexus and Alfine cogs will work with either 1/8″ or 3/32″ chains
- Fits coaster brake and internally geared hubs with 3-tab spline pattern drivers















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