CB-X Black Cock Cage U-Rings

Get The Fit Right.
Because guessing is how things go wrong.

Chastity isn’t complicated—but the fit? That part matters. The CB-X Replacement Black U-Rings are built for one job: dialing in the exact fit your cage setup actually needs. Too loose and it’s pointless. Too tight and you’ll know immediately. These rings let you get it right.

Designed for all CB-X® chastity devices, these U-Rings swap in easily and give you the ability to fine-tune comfort, control, and long-term wear without compromise. And, they are made from Lightweight, medical-grade polycarbonate plastic.

And if you’re running a similar pin-style cage system? (There’s a chance these will work for you too—but let’s not pretend every setup deserves the same level of trust.)

Five sizes. No excuses. Pick the one that fits and lock it in.

Key Features

Replacement U-Rings designed for all CB-X® chastity devices
Compatible with many similar pin-style chastity cages
Durable, lightweight construction for secure long-term wear
Simple swap-in design for quick sizing adjustments
Ideal for replacing lost rings or refining cage fit

Available Sizes

#1 – 2 inches
#2 – 1 7/8 inches
#3 – 1 3/4 inches
#4 – 1 5/8 inches
#5 – 1 1/2 inches

CB-X: Master your Mister! A world leader in male chastity for over 20 years, CB-X built its reputation on lightweight, hygienic, and wearable designs for both beginners and long-term users. Known for innovation and reliability, CB-X continues to set the standard for modern chastity systems.