Bike thieves will get through just about any lock, which is why we like the bike mine alarm for backup.
The device snaps to a bike and uses a trip wire on your wheel to trigger a 150-decibel shotgun-shell blast if anyone tries to steal the whip. The explosion won’t hurt the thief (or your frame), but it should scare him or her silly.
The campaign recently failed on Kickstarter, but we're rooting for a comeback.
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