Cock Cage U-ring 2 Pack - Black A.L. Enterprises INC $49.00 / Default Title Default Title Add to Cart Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Replacement Black U-Rings for all CB-X® chastity devices, these U-Rings are compatible with all models and spare parts. 2 pack - 1 large and 1 XL U-ring included. Large - 2 1/8 inches XL - 2 1/4 inches