SHIMANO Alfine/Nexus CS-S500 Cog

Shimano CS-S500 Alfine/Nexus Cog. Fits coaster brake and Internally geared hubs with 3-tab spline pattern drivers.

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

CHAINRINGS 1x
MODEL CS-S500
SERIES Alfine/Nexus
SIZE: 1/8 OR 3/32
CATEGORY Cog
TEETH 18T, 20T

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.