OnGuard BullDog series u-locks feature X2P Double Bolt lock mechanisms and strong 13mm (0.51 inches) hardened steel shackles for a full circle of protection.

Hardened ultra steel shackle with reinforced sleeve over crossbar and cylinder for added security. Bulldog includes free 1-year, anti-theft guarantee. 4.6 Tons pull strength with anti-drill and pick resistance. 13mm hardened ultra steel shackle.

Item Specifications: Length, 9, Diameter, 13, Lock Style, Keyed, Shackle Width, 5, Advertised Weight, 2.915, Cable Included, No,

OnGuard Bulldog Series Heavy-Duty 13mm Hardened Steel U-Lock 5x9" with Keyed Lock & Bracket

Reference Number: 4W34V1

Secure Your Bike with Confidence: OnGuard Bulldog Series U-Lock 5 x 9" - Keyed, Black/Yellow with Bracket

Protect your bicycle with the industry's trusted security solution-the OnGuard Bulldog Series U-Lock. Designed for serious cyclists and bike commuters, this high-performance U-lock combines durable materials, advanced locking technology, and versatile style for maximum theft resistance.

Durable Materials & Engineering Excellence

Constructed with a hardened 13mm ultra steel shackle, the Bulldog U-Lock offers exceptional strength and durability. The tough, hardened steel resists cutting, sawing, and leveraging attacks, ensuring your bike stays protected. The shackle features a reinforced sleeve over the crossbar and locking cylinder, adding an extra layer of security against drilling and physical attacks.

Advanced Components & Innovative Security Features

Equipped with OnGuard's X2P Double Bolt lock mechanisms, the Bulldog U-Lock provides reliable, pick-resistant security. With a pull strength of 4.6 tons, this lock delivers formidable resistance against theft attempts. The keyed lock style ensures secure and easy access, while the included mounting bracket allows for convenient transport and quick locking.

Versatile Use Case & Stylish Design

Measuring 9 inches in length with a 5-inch shackle width, this compact yet robust lock is perfect for securing bikes in urban environments, parks, or around the neighborhood. Its sleek black and yellow finish not only enhances visibility for extra deterrence but also adds a sporty, stylish edge to your cycling gear.

Extra Features & Peace of Mind

The Bulldog Series U-Lock includes a complimentary 1-year anti-theft guarantee, reflecting OnGuard's confidence in the lock's strength and reliability. Weighing just under 3 pounds (2.915 lbs), it offers a balanced mix of portability and security-ideal for daily commuters and serious cyclists alike.

Key Specifications:

- Length: 9 inches

- Shackle Diameter: 13mm

- Shackle Width: 5 inches

- Lock Type: Keyed

- Weight: 2.915 lbs

- Includes: Mounting bracket (without cable)

Invest in peace of mind with the OnGuard Bulldog Series U-Lock-engineered for strength, built for security, and designed for confident cycling. Protect your bike with a U-lock trusted by cycling enthusiasts worldwide.

  • Maximum security with the OnGuard Bulldog Series U-Lock features a durable 13mm hardened ultra steel shackle for unmatched cut and bolt cutter resistance, ensuring top-tier theft deterrence.
  • Engineered with X2P Double Bolt Lock mechanisms, this keyed U-lock provides enhanced anti-pick and anti-drill protection, safeguarding your bike against sophisticated theft attempts.
  • Designed for reliability and peace of mind, the Bulldog U-Lock includes a convenient mounting bracket for easy transport and quick access during rides or storage.
  • Built for versatile use, this 5 x 9-inch lock is ideal for securing high-value bikes in urban environments, bike racks, or bike shops, combining style with rugged performance.
  • Constructed from high-strength materials with reinforced components, the Bulldog U-Lock offers 4.6 tons of pull strength, making it one of the most secure bike locks on the market today.
Item Specifications
Length9
Lock StyleKeyed
Diameter13
Cable IncludedNo
Shackle Width5
Advertised Weight2.915

Why 365 Cycles?

365 Cycles is an Authorized OnGuard Dealer, and we offer the Full OnGuard 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.



LK8011 .

Company Details

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

Connect With Us

Sign up for news, special offers & other good stuff!