LOCK SUNLT DFNDR D3 U MED 3.5x7/10mmx4f CBL BKDouble bolt locking mechanism. Hardened steel shackle. Pick, pull, and drill resistant cylinder. Mounting bracket included. 2 laser cut keys. Item Specifications: Type, Medium w/4`x10mm cable, Color, Blk, Length, 3.5x7`/8.89x17.78cm, Diameter, 14mm, Bracket, Included,

Sunlite Defender U Medium Cable Lock with Hardened Steel Shackle & Double Bolt Security

Reference Number: 3FV4WN

Optimize your bike security with the Sunlite Defender U Medium Cable Lock - the perfect combination of durability, advanced locking technology, and versatile use. Designed for cyclists seeking reliable protection for their prized bicycles, this high-performance lock offers superior strength, resistance, and ease of use.

Materials & Construction:

Crafted from a hardened steel shackle, the Sunlite Defender U Medium Cable Lock provides exceptional cut and pull resistance, ensuring your bike stays secure against theft. The heavy-duty cable measures 4 inches by 10mm in diameter, pairing flexibility with resilience, making it ideal for securing frames and accessories in varied environments.

Performance & Engineering:

Featuring a double bolt locking mechanism, this lock delivers enhanced security and tamper resistance. Its pick, pull, and drill-resistant cylinder adds an extra layer of protection, safeguarding your bike from common theft techniques. The included mounting bracket allows for convenient storage when not in use, ensuring quick access and portability.

Components & Technology:

Equipped with two laser-cut keys, the Sunlite Defender U Medium Cable Lock combines precision manufacturing with user-friendly operation. The lock's compact size (approximately 3.5x7 inches / 8.89x17.78 cm) makes it lightweight yet robust, perfect for daily commuting, trail riding, or parking your bike outdoors.

Style & Use Case:

With its sleek black finish and durable construction, this lock seamlessly integrates into your cycling gear. Ideal for urban commuters, mountain bikers, or casual riders, it provides reliable security whether parked at work, home, or in public spaces. Its versatile design fits a wide range of bike types and locking scenarios.

Innovative & Differentiating Features:

- Double Bolt Locking System: Enhances security by securing the shackle at multiple points.

- Hardened Steel Shackle: Offers maximum cut resistance and durability.

- Pick, Pull, and Drill Resistant Cylinder: Protects against common theft methods.

- Included Mounting Bracket: For easy transport and storage on your bike.

- Laser-Cut Keys: Precise, high-security key design for reliable access.

Item Specifications:

- Type: Key lock

- Bracket: Included

- Cable Dimensions: 4 inches by 10mm diameter

- Overall Size: 3.5 x 7 inches (8.89 x 17.78 cm)

Secure your bike confidently with the Sunlite Defender U Medium Cable Lock - the trusted choice for cyclists seeking high-security, innovative features, and dependable performance. Perfect for urban, trail, and recreational cycling, this lock ensures peace of mind wherever you ride.

  • High-security lock featuring a durable hardened steel shackle for maximum resistance against cutting and sawing attacks, ensuring your bicycle remains protected.
  • Equipped with a double bolt locking mechanism and pick, pull, and drill resistant cylinder, this lock offers enhanced security and peace of mind in any environment.
  • Constructed with high-quality materials and precision engineering, the Sunlite Defender U Medium Cable is designed for reliable performance and long-lasting durability during daily use.
  • Includes a convenient mounting bracket and two laser-cut keys, providing easy storage and quick access while maintaining a sleek, low-profile design suitable for urban and trail cycling.
  • Ideal for securing bikes in high-traffic areas or rugged terrains, this lock combines advanced security features with versatile use cases, making it a must-have cycling accessory.
Item Specifications
TypeKey
BracketIncluded

Why 365 Cycles?

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

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Professional Customer Service- available 7 days a week
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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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