DUST RESISTANT & PRACTICAL DESIGN: ROCKBROS bike chain lock adopt an embedded waterproof cover for keyhole, preventing rain and sand from entering the interior of the lock core, reducing the probability of corrosion. It also solves the problem of traditional lock cores being easily affected by dust and causing jamming, ensuring smooth and reliable use. SCRATCH-PROOF NYLON PROTECTION: The bicycle chain lock is wrapped in a thick, high-quality nylon cloth cover, which is wear-resistant and non slip, effectively protecting the chain from being rusted and scratches while keeping the bicycle from scratch. STURDY & DURABLE: With 8mm thick security chain lock, our bike chain lock is made with zinc alloy which is not easily damaged. The chain undergoes multiple heat treatment processes such as quenching, making it more solid and firm, anti-drilling and anti-cutting. EASY TO LOCK: You can easily snap the bike chain lock to securely lock it without the need for keys, making it more convenient and user-friendly. Our bike chain locks are provided with 2 keys, so you don't have to worry about losing them and being unable to unlock the lock. SAFETY AND ANTI-THEFT: The bike chain lock contains 8 all copper blades, and the key adopts a snake shaped groove design, which has a low mutual opening rate and reduces the probability of your properties being stolen, providing excellent anti-theft performance
ROCKBROS
