Locks are used to secure bikes. Common varieties are cable/chain locks and U-locks (D-locks).

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bike keyhole broken

I had parked my bike outside my local grocery store and when I came out I saw that my lock had been tampered with. The keyhole where I insert my key was broken in half and the rubber coating was also ...
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5answers
316 views

Good locks seem awfully heavy [closed]

I am looking at buying an electric bike (possible the smart ebike) -- these are not cheap. So I began to look at locks and stuff and -- these are ridiculous! 3.5-4kg even 6kg for a chain?? How do ...
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2answers
724 views

keyed (locking) skewers and seat bolts: recommendations? [duplicate]

I know nothing is thief proof, but some systems are more of a deterrent than others. Looking for recommendations for good systems. Perhaps more importantly I'd like to hear about systems found to be ...
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1answer
189 views

Asking for Feedback about my Bike Lock Invention [closed]

I’m a college student and cyclist at USC. I’ve had three bikes stolen while at USC and it really annoyed me so now I’m doing something about it. I’ve created a lock that specifically secures the ...
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3answers
194 views

Convenient bike-security measures for rural, small-town, and remote-touring environments [closed]

I originally titled this question as "I'm looking for a convenient absolutely fail-safe automatic lock that works all the time". But, judging by some rather cold responses, that title seems to be ...