Shimano Shimano 1.85 mm cassette spacer

Shimano Cassette Spacers. For use on 11-Speed freehub body with 9 or 10-Speed cassette Using 10-Speed cassette on 11-Speed freehub body requires both 1.85mm and 1.0mm spacer Using 9-Speed cassette on 11-Speed freehub body only requires 1.85mm spacer