NEOPRENE & HARDENED STEEL - Motorcycle and bike lock features a hardened steel chain of 10mm square links covered by a unique long-lasting, water-resistant neoprene sleeve that protects your bike from scratches and damage and is great for use on more delicate items like motorcycle spokes. MAGNETIC LOCK - Patent pending silicone lock has a magnetic feature that holds the bike locks in place, allowing you to use just one hand to easily connect it before locking. SOLD SECURE APPROVED GOLD PRODUCT - The Viking chain lock has received 18/18, the highest level ranking and is approved by Sold Secure, the testing company owned and administered by the Master Locksmiths Association that assesses security products using rigorous standards. ALL WEATHER PROTECTION - The heavy duty lock features an automatic keyhole cover that protects against water, rust, dust, dirt, or debris from blocking the bicycle lock, while the neoprene cover protects the steel chain from water and damage. 2 YEAR WARRANTY - Receive a 2 Year Warranty on your bike chain lock when you register your Viking bicycle locks.