Bicycle Locks With A 14Mm Thick U Lock For Motorbikes, Trikes, Scooters, And Product Details Strong Cut Resistant and High Security: This bike lock consists of a 3ft chain lock and a robust U-lock. 6mm square chain which is sturdy and durable and 14mm U-lock made of carbon structural steel which is strong resistance to cuts and lever attacks, provide double protection to your bike. Weight:2.18 pounds. Anti-theft Lock Cylinder 2 Keys: The anti-theft lock cylinder of the bicycle chain lock is made of zinc alloy with a precise structure and designed to prevent technical opening. The two "I" user-friendly keys are made of hard and durable brass, not easy to bend or twist. Anti-scratch Sleeve: The chain lock is wrapped in a nylon sleeve that is scratch-proof and resistant to wear and tear. It can protect your bike and chain from scratches. Widely Used: Heavy duty anti-theft chain lock can be used for bicycles, motorcycles, doors, fences, ladders, sports equipment, etc. It is heavier and more secure than other bike locks. It is a perfect gift for friends, family or outdoor enthusiasts. Optional Using Methods: You can lock your tires and bike body or lock your bike to the nearby railing or tree trunk by combining chain lock and U lock . You can also use the heavy U lock directly to lock your bike in a low-risk area. Package Service: 1 Bike Chain Lock with U Lock Set and 2 Keys are included. Practical bike chain locks by Titanker get ready for added protection of your motorcycles, bicycles, etc. If you have any questions or suggestions about bike chain lock with U lock kits, please feel free to contact with us. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.