U-locks are probably the most secure method of bicycle storage. The Keeper Series from Kryptonite is the original padlock series. Made from a 12mm hardened steel pin, it has a new hardened closing rivet with an anti-rotation design. The two included stainless steel wrenches are ergonomic and designed to minimize bending and breakage during use.

Includes a bracket for easy transport on the bike
Key Safe key recovery program