Amazon.com: Bikeroo Bike Lock Chain - Heavy Duty 3 Foot Combination Bicycle Lock - Bike Cable Lock for Moped, Electronic Bike, Scooter, Motorcycle - Protective Sleeve for Extra Anti Theft Security, Black :
Amazon.com: ABUS Chain Extension Loop Lock, 110cm, Black : Tools & Home Improvement
Amazon.com: SUNYA Bike Lock Heavy Duty Anti Theft. 5 Digit Combination Resettable Bike Chain Lock with 3.2FT Welded Chain Diameter 0.236". Alloy Lock Body and Dust-Proof Sleeve (3.2 Feet, 6mm Thick, Black) :