ONGUARD
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OnGuard Bulldog STD Bike U-Lock 13 mm Hardened Steel Shackle 115 230 mm X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket
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OnGuard Bulldog STD Bike U-Lock 13 mm Hardened Steel Shackle 115 230 mm X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket
Best-in-class u-lock featuring double bolt lock mechanism and hardened steel shackles for full protection
OnGuard Bulldog STD Bike U-Lock 13 mm Hardened Steel Shackle 115 230 mm X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket
Item #: 23079990

OnGuard Bulldog STD Bike U-Lock 13 mm Hardened Steel Shackle 115 230 mm X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket

Item #: 23079990

MMK 240678

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*All items will import from US

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Best-in-class u-lock featuring double bolt lock mechanism and hardened steel shackles for full protection
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What Stands Out

High Security
The OnGuard Bulldog STD U-Lock features a robust locking mechanism and hardened steel shackle, providing exceptional resistance against cutting and picking, ensuring your bike remains secure in any environment.
Bright Visibility
With its bold black and yellow color scheme, this U-lock enhances visibility, making it easier to locate your bike and deterring theft due to its stand-out appearance.
Portable Design
Weighing only a few pounds, this U-lock is designed for easy carrying. It fits into most bike frames or can be mounted on a bike rack, offering convenience without sacrificing security.

Product Details

Shop the best selling ONGUARD Bulldog STD U-Lock at Ubuy Myanmar. Enjoy full protection with its x2p double bolt lock mechanism and 11Mm hardened steel shackle. Buy now!
  • Features x2p double bolt locking mechanism on both sides of the shackle
  • Z-cylinder design is bump-proof and resistant to picking, pulling, or drilling
  • Hefty 11mm hardened steel shackle resists cutting, prying, and jacking
  • Rounded design and centered keyway eliminates pry points
  • Double rubber coated crossbar cover protects paint and finishes
  • Dimensions: 4.53 inches wide by 9.06 inches tall
Brand NameONGUARD
Recommended Uses For ProductBicycle security
Number of Pieces1
Included ComponentsBike lock
Model Number45008010
UPC768661281144 768661281458 768661280109
Model NameBulldog U-Lock
Global Trade Identification Number00768661280109
ManufacturerOnGuard
Unit Count1.0 Count
Manufacturer Part Number45008010
Item Type NameBike lock
Additional FeaturesKey Lock
Lock TypeKey Lock
Controller TypeHand Control
Control MethodTouch
Smart Home CompatibilityNot Smart Home Compatible
Style NameModern
ColorBlack, Yellow
ShapeRound
Material TypeAlloy Steel, Rubber
Finish TypesPolished
Item Dimensions10.95 x 6.95 x 2.05 inches (27.8 x 17.7 x 5.2 cm)
Item Weight2.5 Pounds (1.13 kg)
BrandONGUARD
Special FeatureKey Lock
Item dimensions L x W x H10.95 x 6.95 x 2.05 inches (27.8 x 17.7 x 5.2 cm)
MaterialAlloy Steel, Rubber

Who Should Buy?

Suitable For
  • Urban Cyclists

    Ideal for city riders needing robust security against bike theft in high-risk urban environments.

  • Frequent Users

    Perfect for daily commuters looking for a reliable lock that can withstand regular use and harsh conditions.

  • Value Seekers

    A great choice for budget-conscious cyclists wanting quality security without overspending on premium locks.

Not Suitable For
  • Lightweight Bikers

    Not suitable for casual riders who don’t require high-security locks and favor lighter, more portable solutions.

Product Description

OnGuard Bulldog STD Bike U-Lock 13 mm Hardened Steel Shackle 115 230 mm X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the OnGuard Bulldog STD U-Lock a reliable choice for bike security?

    Answer: The OnGuard Bulldog STD U-Lock is engineered with a robust steel construction that resists cutting and tampering. Its double-locking mechanism adds an extra layer of security, ensuring that your bike remains protected in high-theft areas. Many users praise it for its durability and effective theft prevention, making it ideal for urban cyclists who require a sturdy lock for daily use.
  • Question: Is the OnGuard Bulldog STD U-Lock suitable for all bike types?

    Answer: Yes, the OnGuard Bulldog STD U-Lock is versatile enough to accommodate a wide variety of bicycles, including mountain bikes, road bikes, and city bikes. Its design allows it to secure frames and wheels effectively. Additionally, it’s also a great choice for securing accessories or other valuable items, ensuring peace of mind during your ride or when your bike is parked.
  • Question: How does the key system work on the OnGuard Bulldog STD U-Lock?

    Answer: The OnGuard Bulldog STD U-Lock features a high-security cylinder key system that enhances anti-drill and anti-pick resistance. This means that the lock is not only tough but also difficult for thieves to tamper with. Furthermore, having a unique key means that you only need to worry about safeguarding one key, making it more convenient for daily use.
  • Question: What are the dimensions of the OnGuard Bulldog STD U-Lock?

    Answer: The OnGuard Bulldog STD U-Lock typically measures approximately 13 inches in length and 7.5 inches in width, making it a compact but functional option for most bikes. This size allows ample room to lock your frame and one wheel to a secure fixture, providing both security and versatility without being overly cumbersome to carry.
  • Question: Can the OnGuard Bulldog STD U-Lock withstand extreme weather conditions?

    Answer: Absolutely, the OnGuard Bulldog STD U-Lock is designed to withstand various weather conditions. Its materials resist rust and corrosion, ensuring that it performs reliably in rain, snow, or humidity. Many users have found it reliable even after exposure to harsh elements, making it a dependable choice for those who ride year-round in different climates.
  • Question: How can I securely carry the OnGuard Bulldog STD U-Lock while cycling?

    Answer: The OnGuard Bulldog STD U-Lock typically comes with a mounting bracket that allows you to attach it to your bike frame. This feature ensures that you can easily and securely carry the lock during your rides without it getting in the way. Alternatively, you can use a backpack or bag designed for cyclists to store the lock when not in use.
  • Question: What are the primary security features of the OnGuard Bulldog STD U-Lock?

    Answer: The OnGuard Bulldog STD U-Lock boasts several security features, including a solid hardened steel body, a double-locking mechanism, and a pick-resistant cylinder. This combination enhances its protection against both tampering and theft. Many bikers prioritize these features, especially when locking their bikes in public spaces, where the risk of theft is higher.
  • Question: Where can I buy OnGuard Bulldog STD U-Lock, BlackYellow in Myanmar?

    Answer: You can purchase the OnGuard Bulldog STD U-Lock, BlackYellow conveniently from Ubuy. They offer a variety of options and fast service to meet your biking security needs.
  • Question: Does the OnGuard Bulldog STD U-Lock come with a mounting bracket?

    Answer: Yes, the OnGuard Bulldog STD U-Lock typically includes a mounting bracket that allows users to attach it to their bike frame. This feature makes it convenient to transport without sacrificing security. Cyclists appreciate this easy-carry option, as it keeps the lock accessible for use any time while on the go.
  • Question: What should I do if I lose my key to the OnGuard Bulldog STD U-Lock?

    Answer: If you lose your key to the OnGuard Bulldog STD U-Lock, you should contact the manufacturer for replacement options. Some models may have a specific key number associated with your lock for easier replacement. Ensuring you have this number handy can streamline the process. Additionally, consider using a secondary method of securing your bike while you resolve the key issue.

ONGUARD U-Locks 45008010 Editorial Review

The ONGUARD Bulldog STD U-Lock is a very durable lock that provides great security for your bike. However, the bike mount that comes with it is not very reliable and the replacement mounts are expensive. It is recommended to contact the Seller or the Company to purchase two locks that are keyed the same or to get a specific keycode for keying the lock alike with an existing lock of the same model.

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Pros

  • Very durable lock
  • Provides great security for your bike

Cons

  • Bike mounts keep breaking

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MMK 240678

Order now and get it around Saturday, August 29

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Features x2p double bolt locking mechanism
  • 11Mm (.43 inch) hardened steel shackle for strength
  • Z-cylinder is bump-proof and resists picking, pulling, or drilling
  • Rounded design and centered keyway eliminates pry points
  • Double rubber-coated crossbar cover for protection
  • Dimensions: 4.53 wide x 9.06 tall

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