How to Open a Kryptonite U-Lock (Plus Fixes for Stuck Locks and Lost Keys)
How to open a Kryptonite U-lock, and Kryptonite’s own fixes for keys that won’t turn, broken keys and lost keys.
How to open a Kryptonite U-lock, and Kryptonite’s own fixes for keys that won’t turn, broken keys and lost keys.
Lost the key to your own bike lock? The safe, legal ways to get it off, from replacement keys and code recovery to calling a locksmith.
Three ways to use a bike lock cable, how to pair it with a U-lock, and why a cable should never be your only lock.
How to set up and use a Kryptonite bike lock, from registering your key number to locking up the way Kryptonite recommends.
What Master Lock U-locks do well, where they fall short against premium bike locks, and who they make sense for.
Heavy duty bike locks for high-theft areas and expensive bikes: thick U-locks, angle-grinder-resistant locks and heavy chains.
How to operate every common bike lock, from key U-locks and combination locks to cables, chains and frame brackets.
Where to park and what to lock your bicycle to so it is still there when you come back, plus what to avoid.
The right way to lock a bike step by step: where the lock goes, securing both wheels and the mistakes thieves look for.
Bike lock prices in 2026 by type, from $9 cable locks to $330 angle-grinder-resistant U-locks, and how much you should spend.