Cassette reduction Shimano Low Spacer 1.85mm for 8/9/10-speed cassette

Designed to use with Shimano Dura-Ace FH-9000 rear hub. Spacer enables to use 8/9-speed cassetes on 11-speed rear hubs. Mounts before the cassette. Also compatible with: Ultegra FH-RS770 Ultegra FH-6800 105 FH-R7000 105 FH-5800 FH-RS505 Tiagra FH-RS400 Dura-Ace WH-R9170-C60-TU-R12 Dura-Ace WH-R9170-C40-TU-R12 Dura-Ace WH-R9170-C40-TL-R12 Dura-Ace WH-R9100-C60-TU-R Dura-Ace WH-R9100-C60-CL-R Dura-Ace WH-R9100-C40-TU-R Dura-Ace WH-R9100-C40-CL-R Dura-Ace WH-R9100-C24-CL-R Dura-Ace WH-9000-C75-TU-R Dura-Ace WH-9000-C50-TU-R Dura-Ace WH-9000-C50-CL-R Dura-Ace WH-9000-C35-TU-R Dura-Ace WH-9000-C35-CL-R Dura-Ace WH-9000-C24-TU-R Dura-Ace WH-9000-C24-TL-R Dura-Ace WH-9000-C24-CL-R Ultegra WH-6800-R WH-RS770-C30-TL-R12 WH-RS700-C30-TL-R WH-RS610-TL-R WH-RS500-TL-R WH-RS330-R WH-RS170-CL-R12 WH-RS81-C50-CL-R WH-RS81-C35-TL-R WH-RS81-C35-CL-R WH-RS81-C24-TL-R WH-RS81-C24-CL-R WH-RS61-TL-R WH-RS31-R WH-RS21-CL-R WH-RS11-R WH-RS010-R WH-RX830-TL-R WH-RX31-R12 WH-RX31-R WH-RX010-R Metrea WH-U5000-R