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SKU: LK8011

OnGuard Bulldog Series 13mm Hardened Steel U-Lock 5x9" with Keyed Entry, Heavy-Duty Anti-Theft Bike Lock with Reinforced Crossbar, Includes Mounting Bracket & 1-Year Theft Guarantee

Regular price $47.96
$59.95 Sale price $47.96 Regular price
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Description
Specifications

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.
Length9
Lock StyleKeyed
Diameter13
Cable IncludedNo
Shackle Width5
Advertised Weight2.915
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

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If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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Customer Reviews

Based on 16 reviews
88%
(14)
13%
(2)
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D
Dmytro Kalifat

Conveniently attaches to the bike easy to use.;

s
stardust

Works great to lock my motorcycle cover to the front wheel.;

S
Steve Ludwig

Bueno hasta el momento no han robado mi bici;

G
Guillaume

I wanted a large lock to attach two bikes so that's perfect.;

Y
Yovanny Villanueva

Work perfect;