ATTABO C.100 bike lock 6 mm chain is a strong and durable protection in a classic form. Steel links, key lock, soft cover, and two keys included – everything you need to feel safe.
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ATTABO C.100 bicycle lock 6 mm chain black (ATB-B5I074-BK)
ATTABO C.100 is a bicycle lock designed with maximum safety in mind for everyday use. Thanks to its thoughtful construction, 100 cm length, and durable components, it effectively protects the bike from theft – both in urban areas and during longer stops. It is an excellent solution for those who want to secure their bike without compromises.
Chain-type lock – flexible and effective
The ATTABO C.100 lock uses a chain construction, allowing convenient attachment of the bike to various infrastructure elements – railings, stands, or posts. The flexible form allows adaptation to terrain conditions, and the 1000 mm length provides an adequate range of maneuver.
Key lock – simple and reliable mechanism
The lock is equipped with a classic key-operated mechanism – the set includes two keys, which increases convenience and provides security in case one is lost. The lock operates smoothly, ensuring quick and hassle-free locking and unlocking.
Optimal length – 100 cm of freedom
Thanks to the meter-long lock, you can easily secure the frame and wheel, as well as attach the bike to thicker or unusual structures. This is especially important in the city, where available parking spots can be limited or difficult to use with shorter locks.
Product Details

Protection of the frame against scratches
The chain is placed in a fabric sleeve that protects the bike's paintwork from mechanical damage. The cover prevents direct contact between the steel links and the frame, ensuring that even with frequent use, the bike maintains an aesthetic appearance. The fabric of the cover is also abrasion-resistant and easy to keep clean.

Two keys in the set – convenience and security
The set includes two identical keys, providing the user with greater flexibility. One of the keys can be kept as a spare or given to another person, which is useful in everyday use. This way, even losing one copy does not prevent access to the bike.

Weight 840 g – durability without excessive burden
Although the lock offers a high level of protection, its weight does not exceed 1 kg. This makes it easy to carry in a bag, basket, or wrapped around the frame. The well-balanced ratio of weight to security level makes it a practical and functional choice.

High level of protection – 9/10
ATTABO C.100 offers one of the highest levels of security among chain locks for everyday use. This solution is suitable both for parking a bike outside the office and in busy urban locations. Its high resistance to mechanical damage means that this model will meet the expectations of even the most demanding cyclists.
We put proven and safe equipment and sports accessories in your hands, enabling active recreation with your family. ATTABO is a brand specializing in the production of durable and functional products that meet the needs of both children and adults.
Bicycles and Bicycle Accessories
ATTABO's offer includes a wide selection of bicycles for children and adults that provide the joy of riding and safe experiences on two wheels. ATTABO also offers a rich range of bicycle accessories, including helmets that guarantee head protection and bicycle lighting that increases visibility on the road. Bicycle bags allow you to store essential items during every ride. To keep bicycles in excellent condition, we offer maintenance products and bicycle tools that make every repair easier.
Inline Skates, Roller Skates, and Scooters
ATTABO is not just about bicycles. We also offer a wide selection of inline skates and roller skates, perfect for active recreation. Our models are suitable for both beginners and advanced users, providing safety and comfort while riding. The scooters we offer are dedicated to fans of various riding styles – from recreational to freestyle and skatepark riding.
Winter Sports
ATTABO also cares for winter sports enthusiasts. Figure and hockey skates from our offer allow you to enjoy ice activities all year round. Our skates feature solid construction and user comfort, making them an ideal choice for both beginners and advanced users.
For the Active Family
ATTABO is the perfect choice for everyone who wants to spend free time outdoors and encourage children to engage in sports through shared fun. Our products are not only functional but also durable, ensuring long-lasting use and safety. We invite you to explore the full assortment and discover the joy of an active lifestyle with us.
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ATTABO C.100 bicycle lock 6 mm chain black
ATTABO C.100 bicycle lock 6 mm chain black
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