Sold Secure of the UK tests and rates locks. There are many "gold" rated locks in the $40 to $80 price range, and many "silver" rated locks in the $25 to $40 price range. The "gold" and "silver" rated locks from Kryptonite and OnGuard at available at most good bike shops in the USA. Therefore, there is not the slightest reason to waste your time or money on a lock that is not approved by Sold Secure.

www.soldsecure.com/Leisure.htm