The U-shaped bike lock from the profile brand OnGuard is a mid-range protective accessory capable of providing enhanced anti-theft protection for your 2-wheeled vehicle. This model has been assigned a score of 80 out of 100 in the brand's security rating, making it suitable for use in medium and high-risk theft scenarios, as well as with higher-priced bicycles. The OnGuard Pitbull STD #8003 bike lock has a fairly massive shackle made of hardened steel: its diameter is 14 mm, and its dimensions are 115x229 mm.
The shackle effectively resists various unauthorized opening attempts and aggressive impacts, including hammer blows, prying, sawing, cutting, etc. The shackle features a rubber coating on top, designed to protect the paint and coating material of the bicycle frame from scratches, chips, and other damage. Another feature of the model is the 4-sided locking mechanism X4P Quattro, which enhances the anti-tamper characteristics of the product. Worth mentioning is the substantial overall weight (almost 1.7 kg), the presence of a cover on the keyhole (protects internal components from dirt and moisture) and five included keys (one with a light), as well as the lifetime warranty on the accessory from the manufacturer.
The information in the model description is for reference purposes. Always clarify the specifications and configuration of the product with the online store manager before purchasing. Catalog OnGuard 2026 - new arrivals, bestsellers, and the most relevant models OnGuard.
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Onguard Pitbull Std Ebike U-lock
ONGUARD Pitbull STD eBike U-lock: Uncompromising Security for Your Valued RideSecure your electric bike with the confidence a... morend strength it deserves. The ONGUARD Pitbull STD eBike U-lock is engineered to provide the ultimate defense against theft, giving you peace of mind whether you´re parked for a few minutes or a few hours. Designed specifically to meet the demanding security needs of e-bike owners, this U-lock delivers robust protection and user-friendly features, making it an essential accessory for any rider. Protect your investment with a lock built to deter and defeat potential thieves.The Pitbull series u-locks provide superior protection for medium/high crime areas, with many of the features of our Brute series and a slightly thinner shackle. This balance of formidable strength and practical design makes the Pitbull STD a top choice for urban commuters, students, and avid cyclists who require dependable security without unnecessary bulk. Trust in ONGUARD´s legacy of strength to keep your e-bike safe and sound.At its core, the Pitbull STD U-lock is built around the formidable X4P Quattro Bolt Locking Mechanism. This innovative system locks the shackle at four separate points within the crossbar, creating a lock with immense holding power that powerfully resists pulling, jacking, and twisting attacks. This is paired with a high-security Z-Cylinder, a tumbler mechanism that is bump-proof and expertly resists picking, pulling, and drilling attempts from even the most determined criminals.The lock´s strength comes from its hefty 14mm thick hardened steel shackle, which offers extreme resistance against cutting, prying, and jacking. The unique TriRadius shackle design creates more internal space, giving you greater locking versatility to secure your frame and wheel to a wider variety of posts, racks, and fixed objects. The lock´s intelligent, rounded design and centered keyway work together to eliminate pry points and deny leverage to thieves´ tools.Beyond raw strength, the Pitbull STD is designed with your bike´s finish in mind. A co-molded crossbar cover and a double rubber coated shackle ensure that the lock itself won´t scratch or damage your e-bike´s paint job. Durability is further enhanced by all-metal endcaps that provide additional protection against hits and drops. For everyday convenience, an automatic keyway cover slides into place to seal the lock´s internals against grit, grime, and moisture, ensuring smooth, reliable operation in all weather conditions. The lock comes with five laser-cut keys, including one with a micro-LED light for easy use in the dark, and a versatile all-tube mounting bracket for quiet, convenient transport on your bike.Attributes: Keys, U-lockSpecifications:- X4P Quattro Bolt Locking Mechanism locks shackle at four points- Z-Cylinder is bump-proof and resists picking, pulling, and drilling- TriRadius shackle creates more internal space for locking versatility- Hefty 14mm thick hardened steel
ONGUARD Pitbull STD U-lockCategory: Carriers and storageSubcategory: LocksSecure your ride with the unparalleled strength of... morethe ONGUARD Pitbull STD U-lock, the standard version of the acclaimed PITBULL series. Engineered to provide superior protection in medium to high crime areas, this lock delivers the peace of mind you need when leaving your bicycle, scooter, or powersport vehicle unattended. The Pitbull STD combines robust construction with user-friendly features, making it an essential security accessory for any rider.Uncompromising Four-Sided ProtectionAt the heart of the Pitbull´s defense system is the revolutionary X4P Quattro Locking Mechanism. This advanced technology secures the hefty shackle to the crossbar in four separate locations, offering extreme resistance to pulling, prying, and twisting attacks. This four-sided protection creates a formidable barrier, ensuring your vehicle remains exactly where you left it and neutralizing the most common methods thieves use to defeat lesser locks.A Formidable Barrier Against TheftThe lock features a massive 14mm (0.55) hardened steel TriRadius shackle built to defy attacks. This formidable barrier is highly resistant to cutting, jacking, and prying, providing a high level of security that stands up to determined thieves. The unique TriRadius shackle design also offers more internal space, giving you enhanced locking versatility to easily secure your frame and wheel to a wide range of posts, racks, and other fixed objects.Designed for Durability and ConvenienceDesigned with both security and the preservation of your property in mind, the Pitbull STD features protective coatings on the crossbar and shackle. This thoughtful detail prevents scratches and damage to your bike or scooter´s paint job, keeping your ride looking pristine while it stays safe.Transporting your lock is simple and rattle-free thanks to the included Snap Lock Quick Release mounting bracket. This versatile, multi-position bracket allows you to securely attach the U-lock to your bike frame for convenient, on-the-go access without needing a bag.You´ll never be left in the dark or without a spare, as this lock includes a generous set of five laser-cut keys. One key is a micro-light key that projects a bright white beam, making it effortless to find the keyhole and operate the lock in low-light conditions. The four additional extra-grip keys ensure you always have a backup for yourself or to share with family.---Attributes:* Lock Type: U-lock* Key System: Keys---Technical Specifications:* Technology: X4P Quattro Locking Mechanism* Shackle: 14mm (0.55) TriRadius hardened steel* Shackle Dimensions (W x H): 115mm x 229mm (4.53 x 9)* Security Rating: Superior protection for medium to high crime areas
OnGuard Pitbull U-Lock - Gold Sold Secure Rating ON-28003-4
The OnGuard Pitbull U-Lock is designed for use in medium to high crime areas. It has the highest security rating a bike lock... morecan receive - Gold Sold Secure. To achieve this the bike lock must pass advanced tests so you can be sure your bike is safe and secure when you’re away. Gold Sold Secure is insurance friendly.X4P Quattro locking mechanism offers four-sided protection against a range of attacks from sawing, cutting and leverage. A hefty 14mm hardened steel TriRadius shackle offers more internal space for locking versatility without sacrificing strength and resistance.To stop your paintwork getting scratched the OnGuard Pitbull bike locks has a new crossbar and shackle coating.The Pitbull also comes with 5 laser cut keys. The bright white beam makes commuting in the dark less hassle.Key FeaturesGold Sold Secure ratingX4P Quattro Locking Mechanism for four-sided protection.Hefty 14mm (0.55) hardened steel TriRadius shackle resists cutting, prying and jacking while offering more internal space for locking versatility.New crossbar and shackle coatings protect finishes offers increased locking versatility for securing bicycles and scooters. Shackle Dimensions: 115mm x 292mm (W x H x Diam) (4.53 x 11.50) x 14mm (0.55) DAdditional FeaturesSnap Lock Quick Release multi-position mounting bracket5 laser cut keys (1 micro-light and 4 extra grip keys)Micro-light key projects a bright white beam
OnGuard Pitbull Steel Bicycle D-Lock Sold Secure Diamond ON-28003-4
Performance & Use Case The Onguard Pitbull D-Lock delivers Sold Secure Diamond-rated protection in a slightly lighter format... morethan the Brute. Built for medium to high-risk urban locking, the TriRadius shackle profile gives generous internal clearance for versatile locking around frame, rack and wheel together. Construction & Security The 14mm hardened steel TriRadius shackle resists cutting, prying and jacking. The X4P Quattro Bolt mechanism locks the shackle on four sides simultaneously. The Z-Cylinder is bump-proof and resists picking, pulling and drilling. Co-moulded crossbar cover and double-rubber-coated shackle protect the bike's paintwork. All-metal end caps add hit and drop protection. An automatic keyway cover seals lock internals against the elements. Length & Format Available in two shackle lengths: 230mm and 292mm. The 230mm secures bike to rack tightly; the 292mm adds clearance for awkward locking points or for two bikes together. 5 laser-cut keys ship with each lock, including one with an LED micro-light. All-tube mounting bracket included. Lifetime warranty.
