Replacement U-Ring No 4 for CB-X chastity devices. 41.275mm sizing fits all CB-X cage models for secure, customized lockup.
Key Features:
Precision 41.275mm sizing provides secure anchor point for CB-X cages
Genuine A L Enterprises construction matches original CB-X quality standards
Universal compatibility works across every CB-X chastity device model
Comfortable extended wear eliminates pinching from incorrectly sized rings
Durable plastic material withstands everyday use and long-term lockup
The CB-X Cockcage U Ring No 4 by A L Enterprises is a replacement base ring component for CB-X chastity cages, sized at 41.275mm for a secure, customised fit. If your standard ring feels too tight or allows unwanted movement, this larger ring solves the problem. It works with every CB-X model, giving you the flexibility to find your ideal sizing.
The CB-X Cockcage U Ring No 4 by A L Enterprises is a replacement base ring designed for the full CB-X chastity device range. It measures 41.275mm and provides the sizing step up from the standard Number 1 ring that comes in most kits. Made from durable plastic, it slots into the base of your cage to create a secure anchor point that keeps everything locked in place without shifting.
What makes this ring essential is that CB-X cages come in seven different U-Ring sizes to accommodate different body types and comfort needs. If your standard ring creates pressure points or slides too loosely during wear, the Number 4 fills that gap. When paired with your existing cage, this male chastity component delivers the precise fit that transforms extended wear from uncomfortable to sustainable, giving you the security and naturalness long-term wearers require.
Start by ensuring your CB-X cage is completely clean and dry before fitting the U-Ring. Slot the Number 4 ring into the base of your cage, checking that it sits level and secure in its housing. When you first wear it, take time to position yourself comfortably—the ring should rest snugly against your body without pinching or creating pressure points. If you feel any discomfort after 30 minutes, remove the cage, check the ring position, and adjust as needed. Most wearers find the Number 4 ring requires no further adjustment after the initial fit.
During daily wear, the ring does one job: keep your cage anchored in place. You will notice it prevents the forward or sideways movement that happens with rings that are too large. When wearing longer than a few hours, this stability becomes crucial for comfort. Clean your cage and ring weekly with warm soapy water, drying completely before wearing again. If you transition between different CB-X models, the Number 4 works across all of them, making it ideal for exploring different Chastity Belts For Men or cage styles without needing to buy multiple rings.
This U-Ring is the right choice if your CB-X standard ring feels too tight or your cage shifts during wear, and alternatives like Cock Lock devices use different base systems entirely.
Great if you…Wash your U-Ring with warm soapy water after each wear session and dry it thoroughly before storing or reattaching your cage. Do not use abrasive cleaners or solvents, which can degrade the plastic over time. Store the ring in a cool, dry place away from direct sunlight when not in use. Inspect it regularly for cracks or damage; a compromised ring should be replaced immediately to maintain cage security. Proper cleaning and storage will keep your Number 4 ring functioning reliably for years of wear.
Understanding how chastity device sizing affects comfort and security helps you make the right choice for your body and wear goals. Ring sizing is not one-size-fits-all; your ideal fit depends on your anatomy, the duration you plan to wear, and how snug you want your cage to sit. Learning from others' experiences and understanding the mechanics of how U-Rings work transforms how you approach long-term wear. Read our guide on Male Chastity Story to explore the real-world context and community knowledge behind sizing choices.
The Number 4 ring provides a noticeably larger anchor than the standard Number 1 ring most CB-X owners receive. If you measured and determined that Number 4 is your size, the fit should feel natural and secure from the first wear—no adjustment period needed. Most people find that moving to their correct ring size eliminates the small discomforts that made longer wear difficult, including pressure points and unintended shifting during movement or position changes.
First-timers sometimes assume a larger ring means looser security, but the opposite is true. A ring that sits properly against your body creates a firm, stable base that actually improves cage security. The Number 4 is made to work across all CB-X models, so swapping cages does not require a ring change if you own multiple devices. Cleaning is straightforward: warm water and soap after each wear, drying thoroughly before storage or reattachment.
Real limitations exist for this component. It is a ring only—you still need your CB-X cage, lock, and keys. It will not fit other chastity brands; compatibility is exclusive to CB-X. If you are between sizes and unsure whether Number 4 is right for you, consider that most people size up rather than down for extended wear, as comfort during long sessions outweighs a slightly looser initial fit. Returning to find your correct size is normal; many users try one or two options before settling on their ideal ring number.
| Ring Option | Sizing & Fit | Best Use Case | Wear Duration |
|---|---|---|---|
| U-Ring Number 1 | Smallest in CB-X range; snug, compact base | Smaller frames or users preferring a tight, firm fit | Short to medium sessions; standard kit component |
| U-Ring Number 4 | 41.275mm diameter; one step up from standard | Users finding Number 1 too tight; comfort-focused extended wear | 24/7 wear and longer denial periods without pressure |
| U-Ring Number 5–7 | Progressively larger; maximum size options | Larger body types or those requiring the largest possible base | Extended wear across all body types and activity levels |
Pick up the CB-X Cockcage U Ring No 4 when your standard ring is uncomfortable or your cage shifts during wear. This genuine A L Enterprises component solves the sizing problem that standard kits do not address, giving you the secure, comfortable fit that enables real long-term wear. Order it from Malechastity.com.au with discreet Australia-wide delivery and get the right size for your body and your chastity goals. Sizing and Fit Help Whenever You Need It.
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