The ABUS Steel-O-Chain 8900K is a versatile chain lock designed for urban riders seeking mid-level security with durability and ease of use. Constructed with 8mm square hardened steel links, this lock provides strong resistance against cutting attacks while remaining flexible enough for convenient locking. The pinned fabric sleeve protects your bike&';s frame from scratches, ensuring long-term reliability without compromising aesthetics. This chain lock features a high-quality locking cylinder designed to resist tampering techniques like lock-picking and drilling, offering enhanced protection in areas with an average risk of theft. It includes two reversible keys for user-friendly operation and long-term convenience. Additionally, the corrosion-resistant materials make it suitable for all-weather use, ensuring a dependable security solution wherever your ride takes you. Key Features Hardened Steel Construction - 8mm square steel chain links provide durability and strong resistance against cutting attacks. High-Security Locking Cylinder - Features anti-picking and anti-drill protection for enhanced security. Compact and Portable - Wraps easily around the seat post for convenient transport and storage.