This LifeLine 10 speed cassette spacer is the perfect part for making your 10-Speed Road cassette compatible with the newest Road bike rear wheels with 11-Speed freehubs. It is an essential part for riders that are regularly switching wheelsets between different bikes.
Compatible with Shimano and SRAM 11-Speed freehub bodies
2mm thickness ensures lockring can still tighten on to cassette securely
Mounts behind 10-Speed cassette and ensures perfect chainline