DURABLE DESIGN: This Anti-Theft bike u lock features a 12mm hardened steel shackle that provides high security against theft. This combo u-lock includes an easy to use 4-digit resettable combination and no keys for you to lose

MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more

PORTABLE SIZE: This is a standard size bicycle u lock which is great for many lock-up scenarios. Size interior locking dimensions are 4 x 8 and exterior locking dimensions are 6.5” x 9.5”

COMBO SAFE PROGRAM: Register your unique 4-digit combination code on our website and our customer service team will be able to help, should you forget your combination

ANTI-THEFT PROTECTION OFFER (ATPO): Up to $500 reimbursement upon registration. Kryptonite stands behind its products by providing an Anti-Theft Protection Offer on specific locks. Created by Kryptonite in 1978, the Anti-Theft Protection Offer is a program that reimburses registered customers for a specific monetary amount in the event their bicycle/motorcycle is stolen due to the opening or breaking of the lock by force

LIFETIME WARRANTY AND CUSTOMER SERVICE: Kryptonite is committed to providing our customers with high quality products, ensuring full satisfaction. If you are experiencing any problems with your product, please reach out to our Customer Experience team. We will work to solve your issue as quickly as possible. We provide our locks with a limited lifetime warranty so you can buy your lock with confidence.