Ring Lock alone prevents roll or ride theft. Ring Lock and plug-in chain system prevents roll, ride and lift away theft. Choose 5.5mm or 9mm plug-in chain with nylon sleeve to prevent scratches Includes flexible mounts, keys, plus Key Safe Program for replacement keys . Non-key retaining (key can be removed from lock while unlocked). Kryptonite and AXA ring locks/plug-in options are cross-compatible. Lifetime warranty. In order to sell Kryptonite products online, dealers can complete the online seller application at kryptonite.online.reseller@allegion.com5.5mm plug-in chain to be used with either Kryptonite retractable or non-retractable ring lock. Plug-in options also include a 9mm chain and a 10mm cable. 120cm long. Kryptonite and AXA ring locks/plug-in options are compatible. E-Bike

Kryptonite 512 Plug-In Chain Lock 5.5mm 120cm Length Black Ring Lock

Reference Number: 3HV3QW

Secure your bike with confidence using the Kryptonite 512 Plug-In Chain Lock - the ultimate combination of durability, flexibility, and innovative security technology. Designed for urban cyclists, commuters, and e-bike riders, this premium lock provides enhanced protection against theft while offering convenience and versatility.

Materials & Construction

Constructed from a robust 5.5mm hardened steel chain, the Kryptonite 512 Plug-In Chain Lock delivers superior resistance to cutting and sawing attacks. The chain is coated with a protective vinyl sleeve to prevent damage to your bike's frame and provide weather-resistant durability for all weather conditions.

Performance & Engineering

Engineered for reliable performance, this lock features a plug-in design compatible with Kryptonite's retractable and non-retractable ring locks, allowing seamless integration with your existing security setup. The 120cm length provides ample flexibility to lock your bike to various fixtures such as bike racks, poles, or secure anchors, ensuring multiple locking options for peace of mind.

Components & Technology

Equipped with advanced plug-in technology, the Kryptonite 512 allows quick and easy locking and unlocking, reducing hassle during daily commutes. The lock is E-Bike approved, offering enhanced security for electric bicycles equipped with higher-value components. Its compatibility with AXA ring lock systems further increases versatility for various bike security configurations.

Style & Use Case

Designed with urban commuters and touring cyclists in mind, this sleek black ring lock complements any bicycle style, from mountain bikes to city bikes and e-bikes. Its compact yet sturdy profile makes it ideal for quick stops or extended lockups at busy city centers, parks, or transit stations. The included flexible mount bracket ensures convenient, off-bike storage and quick attachment to your frame when not in use.

Innovative & Differentiating Features

The Kryptonite 512 Plug-In Chain Lock offers unmatched versatility with compatibility across multiple ring lock brands, including AXA, making it a smart investment for multi-bike households. The plug-in chain options extend to 9mm and 10mm cables, providing tailored security solutions for different needs.

Protect your bike with Kryptonite's trusted security solutions - engineered for strength, designed for convenience, and built to keep your ride safe from theft.

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Keywords: Bicycle lock, chain lock, Kryptonite security, plug-in chain lock, e-bike lock, bike theft prevention, urban cycling lock, bicycle security system, weather-resistant bike lock, versatile ring lock, bike accessory, anti-theft lock, bike safety equipment

  • High-strength 5.5mm hardened steel chain built for maximum security and durability, resisting cutting and leverage attacks to protect your valuable bike assets.
  • Designed with flexible mounting brackets, this plug-in chain lock offers quick and secure frame attachment, making it ideal for daily cycling, commuting, and bike sharing programs.
  • Equipped with 120cm length, providing versatile locking options for various bike frames and securing multiple components or accessories for added theft deterrence.
  • Compatible with Kryptonite and AXA ring lock systems, including retractable and non-retractable models, offering seamless integration with existing security setups.
  • E-bike approved, featuring reinforced materials and engineering innovations to withstand the additional security demands of electric bicycles, ensuring reliable protection for high-value rides.

Why 365 Cycles?

365 Cycles is an Authorized Kryptonite Dealer, and we offer the Full Kryptonite Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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