Shimano CUES CS-LG400-11 Cassette Lock Ring Description: This CUES CS-LG400-11 Cassette Lock Ring works to replace or repair Cassette Lock Rings and Spacers found onboard CUES CS-LG400-11 cassettes, along with select other cassettes. Features: Replacement Cassette Lock Ring and Spacer forCUES CS-LG400-11 Cassettes See compatibility tab for full list of compatible cassettes Specifications: Material: Alloy Color: Silver