this post was submitted on 22 Feb 2026
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Bicycles

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Uncuttable Bike Locks vs Angle Grinder (i.ytimg.com)
submitted 3 days ago* (last edited 3 days ago) by recursive_recursion@piefed.ca to c/bicycles@lemmy.ca
10 comments fedilink hide all child comments
 

Ignoring the thumbnail, the content creator provides an excellent thorough testing and breakdown of all bike locks and demonstrates the pros and cons of each.

TL;DW:

  • the Kryptonite Diamond Standard came out on top of all tests/charts.

Edit:

  • added specific Kryptonite lock name
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[–] favoredponcho@lemmy.zip 31 points 3 days ago* (last edited 3 days ago) (1 children)

Uncuttable means bolt cutters can’t defeat them. No lock is going to be completely undefeatable.

[–] whyNotSquirrel@sh.itjust.works 16 points 3 days ago

At one point you'll be more frustrated by the damage on your lock than the theft of your bike.

[–] SaneMartigan@aussie.zone 11 points 3 days ago (1 children)

To quote a friend "nothing's going to stop a drunk tradie with a cutting disk on their angle grinder".

[–] Evkob@lemmy.ca 21 points 3 days ago (2 children)

Yeah, if someone truly wants your bike, they can get it. Locking a bike somewhere in a city is about making the would-be thief look for an easier target. Outrunning your hiking partner, not the bear.

[–] bismuthbob@sopuli.xyz 3 points 2 days ago

Yep. In the same way, bolt-on wheels are better than quick-release wheels in a city.

[–] SaneMartigan@aussie.zone 8 points 3 days ago

I've had five bikes stolen. I've got an Kryptonite NYC mini which has done me well since. But my bike at the moment is shit looking, it's kinda just shit. I put all the nice parts from my busted carbon fibre racer onto an old apollo frame.

But totally, outrun the bear. Plus don't leave it locked anywhere outside overnight. In Melbourne that a guaranteed theft these days.

[–] Ulrich@feddit.org 3 points 2 days ago (1 children)

the Kryptonite Diamond Standard came out on top of all tests/charts

Okay but were they able to cut it?

[–] Robomekk@lemmy.ca 10 points 2 days ago (1 children)

>10 cutting discs on an angle grinder. So not really reasonably.

Though they do mention that usually bike racks are easier to cut through than that anyways.

[–] Ulrich@feddit.org 7 points 2 days ago

Wow that's impressive!

[–] Sakurai@sh.itjust.works 2 points 3 days ago

This was great content. I wasn’t aware Kryptonite had a new lock in this segment and it looks awesome! Still pretty satisfied with my Hiplok chain for portability but if I get an e-bike the vultures will be circling…