Kryptonite - KryptoFlex Keeper 512 - 4-Digit Combo Cable Lock - 4' x 5mm | Cartersville Bicycle Service & Supply
Amazon.com : Kryptonite Combo Bike Lock Cable and Bike Light Set, 6ft. x 12mm Steel Cable with 4-Digit Resettable Combination for Outdoor Equipment, Bicycles, Scooters, Fence, Gate and Bright LED Bike Taillight :