Ultralight and thin for protection without all the weight. It won't stop the hardcore thieves, but it will prevent opportunity-feeders from grabbing your bike, luggage, or pack.
If you need serious security but don't want a bulky lock, the Kyryptonite Evolution Mini will fit in just about any bag you ride with.
A multi-use dial combination padlock for securing school or gym lockers, tool boxes, gates, sheds, and much more.
This laminated steel key lock from Kryptonite measures 1.7 inches across and is 0.6 inches thick.
Tough, vinyl-coated, twisted-steel cable to securely lock up your bike, skis, snowboard, or kayak.
Coiled cable with double-locking steel padlock for multipurpose security.
For use with a lock (not included) to secure a front bike wheel, multiple bikes, and/or accessories.
New and improved, Kryptonite's U-Lock with cable lock offers increased security in a high-value combination.
This is the classic bike U-lock from the company which invented U-locks. It's tough, durable, and easy to use.
A little deterrence goes a long way. Besides securing a bike, this lock and cable can also protect accessories or lock a kayak to a roof rack.