Ever felt that sinking feeling, bike lock in hand, wondering if your trusty steed will still be there? We've all been there. That's why we picked these robust alloy bike locks. Forged from tough alloys, offering superior strength and security against those pesky bike thieves, these locks—in various sizes and shackle designs—provide peace of mind. So ditch the flimsy cable locks and upgrade to the unwavering protection of an alloy bike lock; your two wheels will thank you.
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1. Heavy-Duty Resettable Combination U-Lock & Cable Lock for Bikes & Scooters
Secure, sturdy, easy-to-use lock—great value for diverse uses.
- Highly rated
- Build quality
- Lock functionality
- Ease of use
- Functionality
- Value for money
- Ease of storage
- Some controversy about
- Bike safety
- Difficulty to turn
The NDakter Heavy Duty Anti-Theft Bike U-Lock offers superior security for your bicycle, e-bike, scooter, or motorcycle. This robust lock boasts a 14.6mm hardened steel shackle (7.5" x 4.5" interior dimensions) and a 5ft long, 12mm steel cable, both encased in protective PVC for durability and scratch resistance. Its 4-digit resettable combination eliminates the hassle of keys, providing keyless convenience and enhanced anti-theft protection. The large U-shaped design and extended cable offer versatile locking options for frames, wheels, and even helmets. This versatile lock, ideal for securing various items such as bikes (including ebikes), scooters, and even gates or doors, provides peace of mind knowing your valuables are safe.
The NDakter bike lock is a sturdy and well-made security solution, praised for its ease of use and functional design. Users appreciate the simple, easy-to-turn dials (four digits for convenient operation), the robust build quality, and the ample length of the cable, sufficient for securing bikes and even gates to various objects. Many highlight its suitability for e-bikes, and the overall value for money. While some users mentioned the cable could be longer, or expressed concerns about its vulnerability to cutting (in one isolated incident), the overwhelming feedback points to a reliable and convenient lock that provides a secure feeling for everyday use. The lock's solid construction and clear numbering contribute to a positive user experience.
- Brand: NDakter
- Color: bike u lock-mima+cable lock
- Finish Type: Painted
- Manufacturer: NDakter
- Material: Alloy Steel,Pvc,Steel,Zinc
- Shape: U Shape
- Style: Combo U Lock with Steel Cable
- Weight: 0.89 Kilograms
- Rate: 4.4 / 358
- Heavy-duty 14.6mm hardened steel shackle for superior security.
- 4-digit resettable combination lock for keyless convenience.
- Includes a 5ft steel cable for locking multiple items.
- Securing bicycles (including e-bikes)
- Protecting motorcycles and scooters
- Securing gates and doors
2. Secure U-Lock Bike Lock with Cable & Bracket
Unbreakable security, ease of use, and amazing value.
- Highly rated
- Durability
- Lock quality
- Ease of use
The Weogine bike U-lock (17mm shackle, 4ft cable) provides robust security for your bicycle. Its compact design (7.76x5.02 inches, 1.64 lbs) and durable zinc alloy core, resisting up to 12 tons of force, offer superior anti-theft protection against sawing, smashing, and drilling. The included mounting bracket (compatible with 26-38mm diameter tubes) and three keys ensure convenient and hassle-free use. This versatile lock, perfect for road, mountain, and e-bikes, also secures other items like grills or sports equipment. Its silicone coating protects against scratches and the elements, making it a practical and thoughtful gift for any cyclist.
This heavy-duty U-lock provides superior security for your bicycle (and even electric scooters!), offering peace of mind against theft. Its thick, solid construction, reinforced by a durable silicone coating, resists even the most determined attempts at cutting. The included cable adds extra versatility, allowing you to secure multiple bikes—perfect for families! Users praise its ease of use and quick setup/removal, along with convenient storage. Many appreciate its compact design and water-resistant features. The exceptional quality far surpasses more expensive alternatives, making it a fantastic value. Ultimately, this robust lock is a smart investment for protecting your valuable bike, offering superior protection and a sense of security wherever you go.
- Brand: Weogine
- Color: Black
- Finish Type: Silicone Coated
- Manufacturer: Weogine
- Shape: U-shaped
- Weight: 2.64 pounds
- Rate: 4.8 / 25
- 17mm hardened steel shackle resistant to cutting and sawing
- Includes 4ft security cable for securing wheels
- Mounting bracket for easy installation on bike frame
- Securing bikes in urban areas
- Protecting high-value bicycles
- Transporting bikes on public transport
3. Heavy-Duty Folding Bike Lock (86cm, 4 Keys, Mounting Bracket)
Compact, sturdy, and easy to use—perfect for quick city stops.
- Highly rated
- Lock strength
- Functionality
- Value for money
- Ease of storage
- Some controversy about
- Ease of use
- Size
- Key quality
- Weight
The BIGLUFU Folding Bike Lock offers superior security for your bicycle, scooter, or motorcycle. This heavy-duty lock, boasting a 95/100 security rating, features hardened alloy steel construction with VSR technology to resist sawing and cutting. Its compact, 86cm unfolding length (20L x 6W x 4H cm folded) makes it easily portable, while the included mounting bracket and straps allow for convenient storage on your bike. The water-resistant, anti-scratch ABS rubber coating protects both the lock and your property. Four laser-cut keys provide extra convenience, and the lock's versatility extends to securing various items, from gates and lawnmowers to toolboxes. Weighing just 1.92 lbs, this durable and multi-purpose lock provides peace of mind.
The BIGLUFU bike lock is a fantastic solution for securing your bike, especially in urban environments like NYC. Its compact, foldable design makes it incredibly convenient to mount on your bike stem (using the included sturdy rubber strap), perfect for quick stops. Unlike cumbersome chains, the BIGLUFU is lightweight and easily maneuvered, allowing you to quickly secure your bike to various objects—sign posts, wheel spokes, or even the bike's own frame—offering a significant deterrent to theft. The lock's solid construction inspires confidence, and the smooth key mechanism (while some users noted a slightly flimsy key and keyhole, the overall functionality remains highly praised). Many users appreciate its ease of use and storage, making it an ideal choice for those needing a reliable and portable security solution for their valuable bike. While some minor installation challenges were reported on certain bike models, the overall positive feedback highlights the BIGLUFU's effectiveness and practicality as a dependable bike lock.
- Brand: BIGLUFU
- Color: Blue
- Country: China
- Dimensions: 7.87 x 2.36 x 3.15 inches
- Finish Type: Lacquer
- Manufacturer: BIGLUFU
- Material: Abs,Alloy Steel,Rubber,Steel
- Shape: Square
- Size: 1 Pack
- Style: Blue
- Weight: 1.92 pounds
- Rate: 4.5 / 1083
- High-Security Alloy Steel Construction
- Convenient Mounting Bracket and Straps
- Compact and Portable Design
- Securing bicycles
- Protecting motorcycles
- Locking gates and other outdoor equipment
4. Sportneer High-Security Folding Bike Lock (95cm, 3 keys, mount)
Top-notch security, hefty but worth the peace of mind.
- Highly rated
- Value for money
- Chain strength
The Sportneer Bike Lock offers superior security and convenience for cyclists. This ART 2-star certified, 95cm (3.12ft) folding lock boasts a high-quality chrome-manganese-titanium alloy construction, resisting cutting, levering, and drilling. Its compact design, complete with a mounting bracket (suitable for posts under 57mm diameter), ensures easy portability and installation. Three stainless steel keys are included, with a global key replacement service for added peace of mind. The lock's durable, weather-resistant design, featuring a scratch-resistant plastic casing, protects both your bike and the lock itself. Ideal for various bikes, including electric bikes, scooters, and motorcycles, the Sportneer lock provides exceptional anti-theft protection.
The Sportneer multi-segmented high-security bike lock provides exceptional peace of mind. Its heavy-duty construction makes it a formidable deterrent against theft, even standing up to determined attempts. Users consistently praise its robust build quality and effective security, noting its ability to secure their Aventures and other bikes to various stationary fixtures. While slightly heavier than some alternatives (around 3 lbs), this weight contributes to its superior strength and is considered a worthwhile trade-off for the enhanced security it offers. The convenient included carry bracket and multiple keys add to the overall value, making it a highly recommended choice for cyclists prioritizing security. The compact folded size is also a plus, smaller than many U-shackle locks.
- Brand: Sportneer
- Color: Black
- Dimensions: 8.86 x 2.56 x 1.5 inches
- Finish Type: Anti-Scratch Coating
- Manufacturer: Sportneer
- Material: Zinc, Hardened Steel
- Shape: Rounded Rectangular
- Style: Foldable
- Weight: 3.34 pounds
- Rate: 4.5 / 53
- ART 2-star certified high security
- Lightweight and compact design for easy portability
- Durable and weather-resistant construction
- Urban commuting
- Secure bike storage
- Electric bike security
5. Heavy-duty folding bike lock with keys & case (2.95 ft)
Compact, secure, and affordable—the perfect bike lock!
- Highly rated
- Lock quality
- Sturdiness
Introducing the RBRL Bicycle Lock, a heavy-duty, anti-theft folding lock designed for ultimate security. This 2.95ft lock boasts a 5mm high-strength alloy steel chain encased in protective plastic, resisting cuts and corrosion. Its Swiss lock cylinder technology, featuring a complex 0.3mm snake lock design, thwarts universal keys and picking tools. The compact, six-bar folding design offers easy portability, with flexible mounting options including straps or screws for bottle holders. Versatile enough for bicycles, e-bikes, scooters, and securing various other items, the RBRL lock provides peace of mind with its money-back guarantee.
This compact, high-security folding lock is a game-changer for securing bikes and e-bikes like the Velotric D2. Its 5mm thick locking blades (plus 2mm rubber coating) offer impressive Level 9 security, exceeding expectations at its price point. The Swiss-made precision key mechanism is smooth and reliable, and the included four keys provide peace of mind. The lock extends to a convenient length for securing both frame and wheel to a post, then conveniently retracts into its compact, easily installed holder. Many users appreciate its size, perfect for carrying on the go and ideal for complementing other security measures like chains. While the holder lacks a locking mechanism, the overall sturdiness and superior security— rivaling locks costing twice as much— make this a top choice for protecting your investment, whether it's a standard bicycle or an e-bike like an Apollo scooter. It's a brilliant lock, highly recommended!
- Brand: RBRL
- Color: Black
- Dimensions: 35 x 5 x 4 inches
- Manufacturer: RBRL
- Material: Steel
- Shape: Rectangular Prism
- Style: Compact
- Weight: 2.31 pounds
- Rate: 4.9 / 30
- Heavy-duty, cut-resistant 5mm alloy steel construction
- Compact folding design for easy portability
- Swiss lock cylinder technology for superior anti-theft protection
- Securing bicycles in urban areas
- Protecting e-bikes from theft
- Securing outdoor power equipment