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Amazon.com : Titanker Bike Chain Lock, Security Anti-Theft Bike Lock Chain Bicycle Chain Lock Bike Locks for Bike, Motorcycle, Bicycle, Door, Gate, Fence, Grill (6mm, 8mm, 10mm Thick Chain) (Black-10mm Chain) :
![Amazon.com: OKG Small U Lock - 4 Keys, 11/16" (18mm) Dia Heavy Duty Hardened Alloy Steel U Shackle. Anti-Theft, Anti-Cut, Anti-Pry, Combined for Motorcycle Lock, Bicycle Lock, Chain Lock (No Security Chain) : Amazon.com: OKG Small U Lock - 4 Keys, 11/16" (18mm) Dia Heavy Duty Hardened Alloy Steel U Shackle. Anti-Theft, Anti-Cut, Anti-Pry, Combined for Motorcycle Lock, Bicycle Lock, Chain Lock (No Security Chain) :](https://m.media-amazon.com/images/I/914iD4gISHL._AC_UF350,350_QL80_.jpg)
Amazon.com: OKG Small U Lock - 4 Keys, 11/16" (18mm) Dia Heavy Duty Hardened Alloy Steel U Shackle. Anti-Theft, Anti-Cut, Anti-Pry, Combined for Motorcycle Lock, Bicycle Lock, Chain Lock (No Security Chain) :
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Amazon.com: OKG Heavy Duty Bike Lock, Black, 8 lb, 2.6ft x 1/2 in (12mm) Thick Cut Proof Chain Combo 18mm Small U Lock, Ideal for Motorcycles, ATVs, Mopeds or Garage Security :
![iMounTEK 1.8M Bike Chain Lock with 3 Keys, 2.88lbs Heavy Duty Security Lock Motorcycle Chain Lock - Walmart.com iMounTEK 1.8M Bike Chain Lock with 3 Keys, 2.88lbs Heavy Duty Security Lock Motorcycle Chain Lock - Walmart.com](https://i5.walmartimages.com/asr/474b1221-eb73-4e16-9d04-efc5742f2bc9.fdd673962bdf1cae4376bfd6c339d9eb.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
iMounTEK 1.8M Bike Chain Lock with 3 Keys, 2.88lbs Heavy Duty Security Lock Motorcycle Chain Lock - Walmart.com
![Amazon.com : Aucurwen Bike Chain Lock, 3.2FT/4FT Combination & Keys 4-Digit Anti Theft Heavy Duty Bike Lock, Security Resettable Bicycle Lock for Bike, Bicycle, Electric Bike (Black, 3.2FT Long, 6mm Thick) : Amazon.com : Aucurwen Bike Chain Lock, 3.2FT/4FT Combination & Keys 4-Digit Anti Theft Heavy Duty Bike Lock, Security Resettable Bicycle Lock for Bike, Bicycle, Electric Bike (Black, 3.2FT Long, 6mm Thick) :](https://m.media-amazon.com/images/I/91tgHX451eL._AC_UF350,350_QL80_.jpg)