Cb-x
Cockcage U Ring XL Clear
Replacement Black U Rings for all CB X chastity devices, these U-Rings are compatible with all models and spare parts. A CB X complete kit includes U Ring sizes numbers 1 to 5. Needing a U-ring larger than the number 1 supplied in your kit?
Seven sizes of U Rings are available for CB-X chastity devices.
Extra large measurement is 57.15mm