Shimano Alfine SG-S501-8 Small Parts Kit.
Shimano Nexus Hub Cassette Joints for Inter 7 and 8 internally geared hubs.
Includes non-turn washers for vertical dropouts (8R/8L) and horizontal dropouts (6R/6L), cap nuts, cog snap-ring, and CJ-8S20 cassette joint. Does not include Alfine/Nexus cog.
Fits: Alfine, Nexus Inter-8
Includes: Cassette Joint, Non-turn Washers, Cog Snap-Ring, and Cap Nuts (does not include cog)
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.