Lock compliance · D-lock (U-lock) Last verified: 2026-07-12
Master Lock Criterion: Sold Secure Rating Could Not Be Verified
We could not verify a current Sold Secure rating for the Master Lock Criterion on soldsecure.com. We do not test locks ourselves and we will not guess a rating. Below is exactly what we found, and what to check yourself before relying on this lock for an insurance claim.
Discontinued or superseded
Retailer and marketplace listings from around the product’s launch describe this as "Sold Secure Gold," but we could not locate it on today’s live Sold Secure approved-product database, and Master Lock has largely withdrawn from the UK bicycle-lock market. We are not willing to state a current rating we could not verify ourselves. If you own this lock, check the exact model stamped on it against soldsecure.com directly before relying on it for a claim.
Sold Secure rating
No current Sold Secure rating could be confirmed for the Master Lock Criterion. Source checked: Sold Secure approved-product search (no current listing found) , 2026-07-12.
Frequently asked
- Is the Master Lock Criterion accepted by UK cycle insurers?
- We could not verify a current Sold Secure rating for the Master Lock Criterion on soldsecure.com. Retailer and marketplace listings from around the product’s launch describe this as "Sold Secure Gold," but we could not locate it on today’s live Sold Secure approved-product database, and Master Lock has largely withdrawn from the UK bicycle-lock market. We are not willing to state a current rating we could not verify ourselves. If you own this lock, check the exact model stamped on it against soldsecure.com directly before relying on it for a claim. Without a confirmed current rating we cannot say which insurers would accept it. Check the model number stamped on your lock against soldsecure.com's approved-product search directly, or contact your insurer.
- Has the Master Lock Criterion been discontinued?
- This appears to be a discontinued or superseded product. That does not change what an existing unit is physically capable of, but it does mean it may no longer appear on Sold Secure's current approved-product database, which is what most insurers check.