The inventor of the U-lock

Founded in 1972, Kryptonite is an American brand that invented the U-lock and has remained the gold standard in bicycle security ever since. Its products are renowned for their exceptional resistance to break-in attempts, making them the top choice for securing a high-value e-bike.

Kryptonite Products

Kryptonite offers U-locks with various security ratings, heavy-duty chain locks, and complementary cables. The brand assigns a security rating to each lock to help you choose the right one for your parking environment. Kryptonite also offers its own theft insurance program, which you can activate after registering your product.

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