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1/8" thick steel wire rope is very easy to cut. you would be better of with a quality cable lock like The Steel-O-Flex model 1000.
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The Steel-O-Flex model 1000 is the ultimate in lightweight portable security. In order for a lock to be effective, it must withstand all forms of attack and be portable enough to use on a daily basis. It makes no sense to make a lock so strong that even Superman couldn't get through it if it's too heavy to carry around. The Steel-O-Flex 1000 is usually the answer to the question "Which lock should I get?" Why? Because it excels in Portability, Security and Ease of Use. Abus scored it an 8 out of 10 on Portability because it only weighs 5 lbs. and can be double coiled to fit nicely in any saddlebag. At 5 pounds, the 1000 are light enough to take anywhere. It scored a 9 out of 10 on security because 7/8" hardened steel shells that surround the 3/8" aircraft steel cable offer exceptional resistance against even lengthy
4-foot bolt cutters. Don't worry about sledgehammers either; the lock body is made of solid steel with double ball bearing locking, which is usually found only in high security padlocks. In order for a lock to score high on security, it must be able to lock the bike to an immobile object. It is easy for the 5'8" Steel-O-Flex 1000 to fit between two bikes or around a pole. We also ranked it an 8 out of 10 on ease of use because the lock body and cable are built as a single unit. No longer will you have to fumble around with a heavy lock or worry about dropping the shackle into an irretrievable place.
g'luck