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.

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 KryptoLok Combo U-lock is like a tough nut: you just can't crack it. Thanks to the 13mm hardened Performance steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. A built-in four-digit resettable combination gives you easy unlocking and locking capabilities--no keys necessary! You can also take advantage of the Transit Flex Frame bracket for plenty of convenient mounting options. The KryptoLok Combo is 4 x 8-inches and has an anti-theft protection offer of $1,250.

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.

Kryptonite's Transit FlexFrame U-Bracket makes it easy to carry your U-lock on your bike so it's always handy. This simple mount fits on frame tubes from 25 to 80mm in diameter and it accepts most 13 and 16mm-diameter round-shackle U-locks. Plus, the clamp rotates so you can perfectly align the lock with your bike to keep it tucked out of the way.

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.

The KryptoFlex 815 Combo Cable is an 8mm 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 815 Combo Cable is 5/16-inch x 5-feet.

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.

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.

- 11mm hardened MAX-Performance steel shackle provides lighter weight lock while maintaining the security level of Evolution Minis - Increased shackle dimensions allows for a wider range of lock-up scenarios - Reinforced cuff over crossbar and cylinder for additional security - High security, DuoCore cylinder; robust design for durable operation - Bent Foot shackle design for ease of use - Rotating dustcover protects cylinder from dirt and grime - Protective vinyl coating - 2 stainless steel keys with coiled wrist key chains - Product dims: 3.75” x 6.5” (9.5cm x 16.5cm)

• 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)

Small but strong Bontrager has partnered with ABUS to offer best-in-class bike security. The Elite keyed mini u-lock features a 9mm soft-touch steel shackle that resists cutting and double-bolting lock action for added anti-twist protection. Add in Industry-leading corrosion protection and a double layered key cylinder and you get lasting security. Includes two keys. Product Details: - 9mm temper hardened steel for secure U-Lock protection in a compact package - Double bolting shackle provides anti-twist protection - Premium double-layered cylinder core provides added protection against picking - Soft-touch coating for a smooth look and feel that protects bike from scratching - Simple mount installs in seconds for simple, versatile on-bike storage - Industry leading corrosion resistance - Includes Mini U-Lock, bike mount, and 2 keys (replacement keys available) - Security rating 8

Kryptonite's Modulus Accessory Bracket is for use with their Modulus locking system (sold separately). Grab a spare bracket to use your system on a second bike or attach it to your car's bike rack to use your Modulus lock to protect your two-wheelers on trips.

Keep your stuff safe with Kryptonite's Gripper Combination Padlock. It sports a steel body and a hardened steel shackle for serious strength and protection.

• 2 attachment methods: Braze-on bolt points, 2 Velcro straps (when braze-on points are not available) • Transports the following 3 models of integrated chain: Evolution Series 4 1055, KryptoLok Series 2 955, Keeper 785 (each sold separately)

The KryptoFlex 818 Cable and Padlock is an 8mm braided steel cable providing increased cut resistance. The double loops on the ends easily lock with the included key padlock, while the vinyl coating protects bikes and equipment from scratches. The KryptoFlex 818 Cable & Padlock is 8mm x 6-feet.

Keep your wheels, seatpost, and saddle locked up tight everywhere you go with OnGuard's Locking Skewer Set. They use an innovative patented lock system to prevent the QRs from opening unless the bike is tilted over 90 degrees from level. Simply lock your bike with the wheels attached so that it can't be tipped more than 90 degrees. To unlock, tip your bike past 90 degrees and open the QR levers.

The Bouncer from Knog makes sure it's only you riding away on your bike. A hardened steel shackle is nearly impossible to cut, grind, or freeze and its lock cylinder provides the ultimate in security. The silicone body is soft enough to protect your bike's paint job and holds up in the sun thanks to the UV resistant qualities.

- Extra security against theft - 5mm hex CrMo axle

The KryptoFlex 1007 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 (sold separately). The vinyl coating protects bikes and equipment from scratches. It includes the Hook-n-Loop strap for easy carrying. The KryptoFlex 1007 Looped Cable is 3/8-inch x 7-feet.

The KryptoFlex 1218 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. The KryptoFlex 1218 Combo Cable is 1/2-inch x 6-feet.

The KryptoFlex 525 Seatsaver Cable is a 2.5-foot cable ideal for securing your bike's seat and seatpost. It's 5mm braided steel cable provides increased cut resistance and the vinyl coating protects bikes and equipment from scratches. The KryptoFlex 525 cable is 3/16-inch x 2.5-feet.

The KryptoFlex 1565 Combo Cable is a 15mm 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. And, with the Transit Flex Frame Bracket, tool-free adjustment is a snap so you can mount your lock in a convenient place on your bike.

The KryptoFlex 815 Key Cable is an 8mm 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. And, the Transit Flex Frame Bracket gives you plenty of tool-free mounting options so the lock stays out of your way while you're riding. The KryptoFlex 815 Key Cable is 5/16-inch x 5-feet.

Kryptonite's KryptoLok Series 2 915 Integrated Chain is a 9mm-thick, four-sided link chain made of triple-heat-treated, boron-manganese steel for serious strength. Its integrated high-security lock cylinder is pick, drill, and cut resistant. This five-foot chain is covered with a weather-resistant nylon sleeve that protects your bike's finish. Plus, the KryptoLok Series 2 has an anti-theft protection offer of $1500.

The KryptoFlex 1518 Key Cable is a 6-foot-long, 12mm-thick 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 dual-sided key makes locking and unlocking a snap. And, Kryptonite's innovative mounting bracket is included for carrying convenience.