Serfas Suburbs 10mm Hardened Steel U-Lock & Chain for Bicycle Security

• 10mm hardened steel chain links
• 3.5ft length
• 13mm ultra strong shackle
• Includes 2 keys
• Protective nylon cover

Whether it's a bling bike or a beater, when it's your bike, theft feels personal. Serfas' new lock lineup, which includes 18 new products and a security rating system for your convenience, has you covered. From our incredibly tough big city chain lock to our portable latte lock, we have something for everyone.