Shimano Nexus & Alfine Cogs

• Fits coaster brake and Internally geared hubs with 3-tab spline pattern drivers
• 16t rear cog for Shimano Nexus hub.
• Suitable for 3, 7 or 8-speed Nexus hub.
• Shimano Nexus and Alfine cogs will work with either 1/8" or 3/32" chains.
• Cog Snap Ring: Used to attach driver cog to internally geared Shimano Nexus & Alfine hubs.