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.

A minimalist lock for quick stops, Giant's SureLock Flex Combo Air lock is easy to take along for the ride. The lightweight, self-coiling 2.2mm-thick steel cable is compact enough to fit in your jersey pocket or seat bag. Its tough vinyl coating ensures your bike won't get scratches. And, the three-digit, reset-able combo lock is integrated into the cable lock.

Giant's SureLock Flex Combo Coil Cable Lock is an extra-flexible, 185mm-long coiled-steel cable that boasts a built-in, easy-to-use, set-your-own-combination lock. 4 flourescent digits allow 10,000 possible combinations. The cable is vinyl coated to protect the finish of your bike and there's a carrying bracket (not shown) that ensures the lock will always be at the ready.

Kryptonite's Evolution Series 4 1090 Integrated Chain is a 10mm-thick, six-sided link chain made of triple-heat-treated manganese steel for maximum strength. At 35.5-inches long, the Evolution gives you biking security in an easy-to-carry package. The links are covered with a weather-resistant nylon sleeve that protects your bike's finish, and it uses an integrated high-security cylinder that is pick, drill, and cut resistant. 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.

Big cities call for big protection, and Kryptonite's New York Fahgettaboudit delivers with 14mm 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, and leave with peace of mind knowing the 15mm hardened Max-Performance steel shackle is on duty. With a double deadbolt design to protect against twist attacks, would-be thieves with an eye on your bike can fahgettaboudit because you're the only one with access to your bike with three stainless steel keys--one of which is lighted for night access!

OnGuard's Bulldog Combo DT will guard your bike day and night. It boasts a 13mm-wide hardened-steel shackle and OnGuard's resettable 4-digit combination lock for top-notch protection. There's also a 4-foot braided steel cable to lock up wheels and accessories. With the included mounting bracket, you can bring this lock along for every ride.

Protect your bike with Giant's SureLock Protector Std 1 U-Lock. It boasts a heat-treated, hardened-steel shackle that's a half-inch thick and 9 inches long, as well as a pick and drill-resistant keyed lock. This tough lock includes five laser-cut keys, one of which includes an LED light. Plus, it's vinyl coated so it won't scratch your bike and it comes with a handy carrying bracket that fits almost any bike tube so you'll never have to leave your lock behind.

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.

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!

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer suburban stops. Specifications & Features: - 6/10 security rating - 12.7mm hardened PERFORMANCE STEEL SHACKLE - Patent-pending HARDENED DOUBLE DEADBOLT DESIGN gives additional protection against twist attacks - HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant - Includes 2 STAINLESS STEEL KEYS, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - Protective vinyl coating - Key Safe Program - Product dimensions: 3.25” x 7” (8.2cm x 17.8cm) - Product weight: 2.5 lbs (1.13 kgs)

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - SLIDING DUSTCOVER - DOUBLE DEADBOLT DESIGN - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant. - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - 3 STAINLESS STEEL KEYS — including new key design and one LED REPLACEABLE KEY FOB - Protective vinyl coating - Key Safe Program - Product dimensions: 3.25” x 7” (8.3cm x 17.8cm) - Product weight: 3.55 lbs. (1.61 kgs)

Specifications & Features: - 7/10 security rating - KRYPTONITE’S LIGHTEST WEIGHT U-LOCK OPTION at 730 grams 39% lighter than the Evolution Mini-5 - 11mm hardened New MAX-PERFORMANCE STEEL SHACKLE material allows reduction of shackle diameter while maintaining the performance standards of the Evolution Mini-5, Mini-7 & Mini-9 - NEW patent pending BENTFOOT DOUBLE DEADBOLT DESIGN - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant - REINFORCED CUFF over crossbar and cylinder for extra security - 3 Stainless Steel keys — including new key design and one LED REPLACEABLE KEY FOB - Key Safe Program - Product dimensions: 2.75” x 6” (7cm x 15.2cm) - Product weight: 1.60 lbs (.73 kgs)

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SLIDING DUSTCOVER - NEW DOUBLE DEADBOLT DESIGN - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant. - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - 3 STAINLESS STEEL KEYS — including new key design and one LED REPLACEABLE KEY FOB - Protective vinyl coating - Key Safe Program - Product dimensions: 3.25” x 9.5” (8.3cm x 24.1cm) - Product weight: 3.15 lbs (1.43 kgs)

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SLIDING DUSTCOVER - NEW DOUBLE DEADBOLT DESIGN - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant. - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - 3 STAINLESS STEEL KEYS — including new key design and one LED REPLACEABLE KEY FOB - Protective vinyl coating - Key Safe Program - Product dimensions: 3.25” x 5.5” (8.3cm x 14cm) - Product weight: 2.65 lbs (1.20 kgs)

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.

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 New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. The New York Lock Standard is the perfect choice for bike security in major metropolitan areas and college campuses. Specifications and Features: - Security rating: 9/10 - 16mm hardened MAX-PERFORMANCE STEEL SHACKLE - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist and cut attacks - HIGHEST SECURITY DISC-STYLE CYLINDER is pick and drill resistant - Sliding dustcover to PROTECT FROM DIRT AND DEBRIS - 3 STAINLESS STEEL KEYS - including new design and one LED REPLACEABLE KEY FOB - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - Key Safe Program - Protective vinyl coating - Product dimensions: 4" x 8" (10.2cm x 20.3cm) - Product weight: 4.45 lbs (2.02 kgs)

OTTOLOCK is designed for quick stops and protecting against opportunity theft. Starting weight at just 145g and coiling to a compact 3-inch diameter, OTTOLOCK is truly portable and always there when you need it. OTTOLOCK is not a replacement for a U-Lock. For maximum security, use a redundant locking method with both a U-Lock and a secondary lock. See Use Guidelines. - Lightweight: Weighs only 145g - 260g and is easily stowed. So light and portable you won’t even know you are carrying it. - Compact: Coils to a 3-inch diameter. Keep it in or around your saddle bag, backpack, in your pocket, or anywhere you want. - Durable: Chip-resistant Cerakote paint and Santoprene plastic that will not scuff or harm finishes. - Convenient: Keyless resettable combination. - Weight: 18" = 145g / 30" = 175g / 60" = 260g

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.

Kryptonite's Keeper 12 U-Lock is like a tough nut: you just can't crack it. Thanks to the 12mm hardened 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. The shackle connects to the disc-style cylinder for exceptional security, and it all sits in the click-style transportation bracket so it stays stable during transport. To top it all off, you get a reinforced collar over the keyway for added protection. Specifications & Features - 12mm HARDENED STEEL SHACKLE resist hand tools - Reinforced collar over keyway for increased protection - HIGH SECURITY DISC-CYLINDER - Includes click style TRANSPORTATION BRACKET - High security BENT FOOT DESIGN for ease of use - Protective vinyl covering - Key Safe Program

- Easy-Click Locking - Ergonomic dials for ease of use - New easy to use reset design - Included bracket to easily carry on a bike (-03, -06)

- Easy-Click Locking - Ergonomic dials for ease of use - New easy to use reset design - Included bracket to easily carry on a bike (-03, -06)

- 10mm-15mm (0.39"-0.59") heavy-duty, extra-flexible, self-coiling cable with integrated resettable combination lock - Zinc caps offer more protection against hitting attacks - Tough vinyl cover protects against scratches - 4 fluorescent digits; set your own combination from 10,000 possible variations - no keys to lose or forget - Includes easy-to-use quick release bracket

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!

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.

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.

Boasting a total weight of 440g and a compact design, the BORDO Lite 6055 is a lithe athlete compared to other locks. The BORDO Lite 6055 Folding Lock resembles its older siblings from the BORDO family in that its mechanical properties guarantee a high level of security, flexibility, and compactness. Weighing in at a mere 440g, the BORDO Lite 6055 folding lock is the flyweight of the family. Its folded-out length of 60cm is more than enough to secure a single bicycle. - Special steel design with color-coordinated plastic casing to prevent damage to the bike's paint - The bars and housing are manufactured using particularly lightweight materials and steel alloys - Bars connected with special rivets - High-quality automatic cylinder - Perfect security-to-weight ratio

Park your bike with peace of mind when you use Giant's Surelock Protector 1 combo pack. The U-lock features a hardened steel shackle to resist cutting attacks, and uses an XP4 Quattro locking mechanism for unequaled strength. It comes with five keys, one of which features an LED light. The included steel cable loops through your wheels and makes sure that potential thieves walk on by. To keep things simple, Giant included a lock mount that fits nearly every bike frame.

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.