Kryptonite's New York Fahgettaboudit is a 14mm, six-sided link chain made of triple heat-treated, boron manganese steel giving it extreme strength. The chain is covered with a durable nylon covering that protects your bike against scratches. This 3.25-foot chain secures with Kryptonite's New York Disc Lock that boasts a 15mm steel shackle for serious security. Plus, three keys are included, with one that has a high intensity LED bulb for convenient, easy unlocking in the dark. This New York Chain has an anti-theft protection offer of $3,750, too.

The Beast offers OnGuard's highest security rating for serious protection in high-risk areas. Its titanium-reinforced, 12mm-thick hexagonal links are nearly impossible to cut or break, while the hardened-steel shackle resists picking and boasts two steel pins that engage at both ends to create a redundant, secure system. This lock comes with five keys, including one with a built-in light. The Beast is so strong, it's also approved for use with motorcycles and scooters.

Kryptonite's Evolution Series 4 1016 Integrated Chain is a 10mm-thick, six-sided link chain made of triple-heat-treated, boron-manganese steel for maximum strength. At over five feet long, the Evolution gives you plenty of chain to lock up multiple bikes. It uses an integrated high-security cylinder that is pick, drill, and cut resistant. The links are covered with a weather-resistant nylon sleeve that protects your bike's finish. Three keys are included, including one that has a high-intensity LED bulb for convenient, easy unlocking in the dark. This chain has an anti-theft protection offer of $2,250, too.

The KryptoFlex 1018 Key Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. An advanced cylinder provides protection from picking and a sliding weather guard protects the cylinder from dirt, water and road grime. Plus, the lock head rotates so lock-up and removal are a snap. The KryptoFlex 1018 Key Cable is 3/8-inch x 6-feet.

The KryptoFlex 1004 Double Loop Cable is a 3/8-inch braided steel cable providing increased cut resistance. The double loops are for use with U-locks, disc locks and padlocks. The vinyl coating protects bikes and equipment from scratches. It includes the Hook-n-Loop strap for easy carrying. The KryptoFlex 1004 Looped Cable is 3/8-inch x 4-feet.

Big cities call for big protection, and Kryptonite's New York Chain delivers with 12mm six-sided chain links made from hardened manganese steel. Wrap this burly lock around your frame worry-free thanks to the durable nylon cover that protects your bike's paint from scratches. Leave with peace of mind knowing the 14mm hardened Max-Performance steel shackle mated to the Evolution Series 4 Disc Lock is on duty. With a double deadbolt design to protect against twist attacks, would-be thieves don't stand a chance. It comes with three stainless steel keys--one of which is lighted for night access!

Kryptonite's Keeper 785 Integrated Chain features a 7mm-thick, four-sided link chain perfect for use in low- to moderate-risk locations. The triple heat-treated manganese steel chain has a durable nylon cover to protect your bike from scratches. Plus, it uses an integrated hardened deadbolt that is pick and drill resistant, and it thwarts most leverage attacks as well.

The KryptoFlex 1218 Key Cable is a 12mm braided steel cable to be used in low-crime areas or as a secondary security measure. An advanced cylinder provides protection from picking and a sliding weather guard protects the cylinder from dirt, water and road grime. Everything stays in place while you ride thanks to the Transit Flex Frame Bracket, a tool-free, adjustable system that gives you plenty of mounting options.

The KryptoFlex 1018 Combo Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. The integrated, four-digit resettable combination lock has indexed number dials to provide error-free combination setting. The KryptoFlex 1018 Combo Cable is 3/8-inch x 6-feet.

OnGuard's Terrier is a compact, lightweight cable lock perfect for low-risk areas. It features a resettable 4-digit lock, so you don't have to worry about forgotten keys. The raised dials are easy to use with gloves, a Velcro strap keeps the lock neat so it fits in a pocket, and the vinyl coating protects finishes. Lock up your bike during quick coffee runs or secure your snowboard to the rack—you'll find a million uses for this versatile little lock!

The innovative uGrip Bordo 5700 folding lock from ABUS is secure, slim and handy! This folding lock uses 5mm-thick steel bars to secure your bike to any convenient post or bike rack, and features special rivets to ward off twisting attacks. The soft silicone coating won't scratch your frame and comes in an array of fun colors. An ABUS Premium lock cylinder resists tampering and picking so you can park your bike with confidence.

With OnGuard's Doberman Combo lock, all you need is your bike, the lock, and a number you can remember. This combination lock uses four numbers and can be reset any time. It's made from a strong steel cable covered with tough vinyl to protect both itself and your bike. The Doberman Combo is also self-coiling for easy transport.

The KryptoFlex 1230 Combo Cable is a 12mm braided steel cable to be used in low-crime areas or as a secondary security measure. With an integrated, four-digit resettable combination lock that features indexed number dials to provide error-free combination setting, lock up and release are a snap. During transit, the Hook-n-Loop strap supports the cable while the Transit Flex Frame Bracket provides plenty of tool-free mounting options.

Lock your bike's quick-release components with Kryptonite's 4-foot long Keeper 512 Combination Cable. It's a 5mm braided steel cable that offers increased cut resistance and features a pre-set combination closure. The vinyl coating protects bikes and equipment from scratches, too.

Serfas' Combo Cable Lock offers convenient protection. The 12mm-diameter cable reaches over 6-feet and self coils for easy storage. A 4-digit customizable combination lock, surrounded by molded rubber, ensures your bike stays put. And, a vinyl coating protects your bike's finish so it looks just as good when you return to ride it.

OnGuard's Bullmastiff round padlock is a great addition to your bike security measures. Compact and tough as nails, this padlock is easy to use and super strong.

The R4 is a 4-digit resettable combination cable lock that fits in the palm of your hand and is perfect for accessory lock-ups. The 1/10-inch x 36-inch retractable cable loops quickly and easily around accessories, while the detachable LED light makes locking and unlocking easy. And, an anti-reset button ensures your combo stays the way you set it!

• Patented 4-digit resettable combination with easy-grip dials • Recommended for quick release components and accessory lock ups • 2.4mm vinyl coated steel retracting security cable (3 feet)

Strength and simplicity come together in OnGuard's Akita Combo lock. It's a 6-foot cable lock that provides sturdy, reliable protection without any keys. All you need is a four-digit number you can remember, which can be reset at any time. The Akita Combo is built tough and easy to use.

Onguard's Akita cable lock provides years of durable, reliable protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and tough. Plus, they all boast OnGuard's X2 double-bolt locking mechanism and come with five laser-cut keys, including OnGuard's Microlight key with a built-in light.

Onguard's Akita cable lock provides years of reliable protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and super tough. Plus, they all boast OnGuard's reliable and safe X2 double-bolt locking mechanism and come with five laser-cut keys, including OnGuard's Microlight key with a built-in light.

Ever wish your cable was longer so that you could lock up your bike and accessories? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

- Titanium-reinforced hardened square link chain mated to an integrated X2P Dual Lock Down head - Featuring new double rubber cover for better protection against bumps and hits.

When your bike needs serious protection, you need ABUS' Granit City Chain X-Plus 1060. Its 10mm hexagonal steel chain links are extremely hard and resist prying and cutting to provide maximum security wherever you park. ABUS' X-Plus lock cylinder resists attacks and sports an integrated keyhole cover. And, the chain is fully enclosed in a durable cover to protect your bike's finish.

ABUS' innovative Bordo Granit X-Plus 6500 folding lock offers serious theft protection in a handy, compact package! Attach the slim case (included) to your frame, pedal away, and when you arrive at your destination, simply pull out your trusty Bordo, unfold it and enjoy the tough security of an ABUS lock! It's made from 5.5mm-thick hardened steel and boasts a soft silicone coating that's gentle on your bike's finish. And, the ABUS X-Plus key cylinder is tamper resistant, too.

The ABUS Key Combo 1650 cable lock is great for low-risk areas, or as a backup to a primary lock in sketchy 'hoods. We also use it as a backup for roof racks. The PVC-coated coiled steel cable is 12mm thick and 2.5-feet long, enough to lock both your front wheel and the frame. You can set your own combination, but the really cool thing is you can use either a key OR the combination. So don't worry if you forget the combo, use the key or the original code can be recovered using the provided tool.

The ABUS Steel-O-Chain Ivy 9100 lock offers hardcore protection and the ultimate in peace of mind wherever you lock up your bike. With 10mm-thick hardened steel chain links, it resists prying and cutting. The chain is wrapped in a tough mesh sleeve to keep your bike's finish safe and the impressively reinforced lock body resists picking for security you can count on.

The innovative Bordo Combo Lite 6150 folding lock from ABUS is secure, slim and handy! Attach it to your frame via the included straps, pedal away, and when you arrive at your destination, simply pull out your trusty Bordo, unfold it and enjoy the tough security of an ABUS lock! Its soft silicone coating is gentle on your bike's finish and the high-quality combination cylinder features a resettable code, too.

The ABUS Multiloop 210 is perfect for securing your gear and as a backup to a primary lock. It can be used to lock helmets to bikes, lock wheels and forks to car racks, etc. It uses a 6.5-foot-long, 10mm-thick braided steel cable with a PVC coating that protects your bike's finish. The lock body is also protected with a silicone coating. The lock automatically engages for quick security and the key lock is secure and easy to operate

The ABUS Catena 685 Shadow chain lock features a hardened steel chain with a durable cover to protect your bicycle's finish. It's easy to use and it comes with 2 keys.