Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 (Tek) 9/28/84 based on 9/17/84; site tekcbi.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!mtuxo!mtunh!mtung!mtunf!ariel!vax135!cornell!uw-beaver!tektronix!tekig!tekcbi!kenh From: kenh@tekcbi.UUCP (Ken Hillen) Newsgroups: net.bicycle Subject: Re: Theft Resistance of U-shaped bicycle locks (QUERY) Message-ID: <259@tekcbi.UUCP> Date: Thu, 27-Jun-85 03:57:10 EDT Article-I.D.: tekcbi.259 Posted: Thu Jun 27 03:57:10 1985 Date-Received: Fri, 28-Jun-85 01:36:32 EDT References: <1468@bbncca.ARPA> Reply-To: kenh@tekcbi.UUCP (Ken Hillen) Organization: Tektronix, Beaverton OR Lines: 44 Summary: In article <1468@bbncca.ARPA> slipson@bbncca.ARPA (Samuel R. Lipson) writes: > > I'd like to hear from people who have had bicycles stolen due >to the failure of their "high-security" (Citadel/ Kryptonite type) >lock, and not the "immovable object" your bike was locked to. > > I'm not sure whether the Kryptonite/Citadel story is hype, and >I'd like to find out. It certainly appears it would be harder to use >bolt-cutters on one of these than a chain or cable, but I have a hard >time believing they're only succeptable to "200 lbs of cutting/welding >equipment", as some of the advertising suggests. > > I've been told (by my local bicycle "entrepreneurs") that a >Kryptonite lock can be shattered by applying dry ice [did I just >encourage some would be bicycle thief?]. Does this only apply to the >dark colored ones on sunny days (i.e. temperature difference), or is >it a general characteristic of "hardened steel"? > > My local bike shops swear by the Kryptonite locks, but I've >known people who think the Citadel is the only one worth using. Are >these profit/religion motivated people, or is there some fact behind >their opinions? > > General comments on bicycle (and "fixed" accessory) theft >prevention are welcomed. (Using typical outdoor bicycle racks or >typical city immovable object -- indoor/controlled environment makes >the problem less difficult.) > > I will post a summary. > > --Sam Lipson > > {decvax, ihnp4}!bbnccv!slipson A friend of mine once commented (as he was staring at the Kryptonite lock strapped to my rear rack) that all bicycles are destined to weigh 50 lbs. A 20 lb. bike needs a 30 lb. lock, a 30 lb. bike needs a 20 lb lock, etc. My solution is to keep my bike in my office, the lock is for real emergencies when I CAN'T talk the bike indoors. Ken Hillen Tektronix, Inc. Beaverton, OR