Giant's SureLock Flex Combo Coil Cable Lock is an extra-flexible, 185mm-long coiled-steel cable that boasts a built-in, easy-to-use, set-your-own-combination lock. 4 flourescent digits allow 10,000 possible combinations. The cable is vinyl coated to protect the finish of your bike and there's a carrying bracket (not shown) that ensures the lock will always be at the ready.