Swap your cassette body over to SHIMANO HG or refresh your current one. Fits all Road and Mountian HB Series hubs.
To ensure the correct cassette body is provided, please use this link to determine your hub model: https://mercury.zendesk.com/hc/en-us/articles/360041400214-MERCURY-HUB-VISUAL-IDENTIFICATION
*** Price is for freehub body only. Picture of complete hub is for reference only.