Locks/Security

OnGuard's Mastiff Chain provides protection for your bike in high-risk areas. Its titanium-reinforced, 8mm square link chain resists attacks from saws and cutters, while the burly round padlock offers great security. This lock comes with five keys.

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.

Kryptonite's Evolution Series 4 1055 Mini Integrated Chain is a 10mm-thick, six-sided link chain made of triple-heat-treated, boron-manganese steel for maximum strength. At 21.5 inches long, the Evolution gives your bike security in a pint-size 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.

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.

- 3mm hardened steel links for moderate security lockups - Includes easy-to-install transport bracket - Includes 2 keys - Key Safe Program - Product dimensions: Length 100cm - Product weight: 1.90 lbs

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.

- 3mm hardened steel links for moderate security lockups - Includes easy-to-install transport bracket - Includes 2 keys - Key Safe Program - Product dimensions: Length 85cm - Product weight: 1.70 lbs

- 7mm four-sided chain links made from 3t manganese steel - Patent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerability - Hardened deadbolt design provides extra holding power - High security disc-style cylinder is pick and drill resistant - Includes 2 new ergonomic “I” keys - Durable weather-resistant nylon sleeve prevents scratches - Key Safe Program - Product dimensions: 47.3” (120cm) chain length - Product weight: 3.75 lbs (1.70 kgs)

- 3mm hardened steel links for moderate security lockups - Includes easy to install transport bracket for hassle free transportation - Easy to use dials with highly visible digits that provide a high level of ergonomics - Compact and easy transport - Product dimensions: Length 85cm - Product weight: 2.18 lbs

- 12mm hardened performance steel shackle - New hardened double deadbolt design with anti-rotation to resist against twist attacks - Disc style cylinder with center keyway - Includes side-mount snap-in bracket - Includes 4' flex cable for securing front wheel or other accessories - Includes 2 stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking - Key Safe Program - Product dimensions: 4” x 8” (10.2cm x 20.3cm) - Product weight: 2.40 lbs (1.09 kgs)

- 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)

SPECIFICATIONS & FEATURES - 10mm, flexible BRAIDED STEEL CABLE provides increased cut resistance - ADVANCED CYLINDER provides greater protection from picking - EASY-CLICK locking - no need for keys when locking up - Dual sliding cylinder WEATHER GUARDS with automatic close feature - 2 EASY-TO-USE REVERSIBLE KEYS - Key Safe Program - Product dimensions: 3/8” (10mm) cable diameter 5’ (150cm) cable length - Product weight: 0.95 lbs (0.43 kgs)

- Easy-click locking, no need for keys when locking - 2 reversible keys, can be inserted either way - Included bracket to easily carry on a bike (-01, -03, -07) - Coiled and compact for easy transportation (-02, -05, -06)

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.

The KryptoFlex 1030 Looped Cable is a 10mm 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 and it includes a Hook-n-Loop strap for easy carrying. The KryptoFlex 1030 Looped Cable is 0.4-inch x 30-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.

- 5mm hardened steel links for moderate-security lock-ups - Durable rubber coating on steel links protects the bike frame - Includes new click tight transport bracket - Includes 2 Keys - Key Safe Program - Eligible for the Anti-theft Protection Offer - Product dimensions: Length 100cm - Product weight: 2.65 lbs

Keep your stuff safe with Kryptonite's Laminated Steel Padlock. It sports a double deadbolt locking mechanism and a hardened steel shackle for serious strength and protection.

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!

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 with an eye on your bike don't stand a chance. It includes three stainless steel keys--one of which is lighted for night access!

Kryptonite's New York Cinch Ring Chain is a 12mm, six-sided link chain made of triple heat-treated, manganese steel giving it maximum strength. The chain includes a special larger cinch ring design for maximum usable length, lighter weight and less bulk than full length chains. It secures with Kryptonite's Evolution Series 4 Disc Lock that boasts a 14mm hardened steel shackle for top-notch security. Three keys are also included, with one featuring a high-intensity LED bulb for convenient, easy unlocking in the dark. This New York Cinch Ring Chain has an anti-theft protection offer.

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 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. Specifications and Features: - Security rating: 8/10 - 14mm hardened MAX-PERFORMANCE STEEL SHACKLE - 3 STAINLESS STEEL KEYS — including new key design and one LED REPLACEABLE KEY FOB - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SMALLER CROSSBAR DESIGN - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant - Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport - Protective vinyl coating - Key Safe Program - Product dimensions: 4” x 11.5” (10.2cm x 29.2cm) - Product weight: 3.85 lbs (1.75 kgs)

- New hardened deadbolt anti-rotation design - Includes 2 Stainless steel keys with an ergonomic design to reduce the amount of torque, and keep them from bending or breaking - Includes side mount, snap-in bracket - Disc-style cylinder with center keyway - Key Safe Program - Product dimensions: 4” x 10” (10.2cm x 25.4cm) - Product weight: 2.25 lbs

- New hardened deadbolt anti-rotation design - Includes 2 stainless steel keys with an ergonomic design to reduce the amount of torque, and keep them from bending or breaking - Includes side mount, snap-in bracket - Disc-style cylinder with center keyway - Key Safe Program - Product dimensions: 4” x 8” (10.2cm x 20.3cm) - Product weight: 2.05 lbs

- 12.7mm hardened high-grade performance alloy steel shackle resists hand tools - New hardened double deadbolt engages both shackle-ends increasing holding power - Patented new "pass-thru" crossbar design includes anti-rotation features providing advanced protection against twist and single cut attacks - Includes FlexFrame-U bracket providing convenient multi-location u-lock transport - Includes 2 stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking - New sliding dustcover - Reinforced hardened crossbar design provides more protection for the lock internals - Key Safe Program - Product dimensions: 3.25” x 7” (8.2cm x 17.8cm) - Product weight: 2.5 lbs (1.13 kgs)

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 4’ KRYPTOFLEX DOUBLE LOOPED CABLE for securing front wheel or accessories - 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: 3.25 lbs (1.47 kgs)

Kryptonite's New-U New York Fahgettaboudit Mini is simply the strongest lock money can buy. Its 10/10 security rating makes it the best choice for quick stops or overnight security in major metropolitan areas, college campuses...pretty much anywhere! Bike thieves can just Fahgettaboudit. Specifications & Features: - 18mm hardened MAX-PERFORMANCE STEEL SHACKLE - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist and cut attacks - Patented STEEL SLEEVE over cross bar for double security - 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 - Key Safe Program - Protective vinyl coating - Product dimensions: 3.25” x 6” (8.3cm x 15.3cm) - Product weight: 4.55 lbs (2.06 kgs)

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 LS is the perfect choice for bike security in major metropolitan areas and college campuses, and the long shackle design gives you more options when it comes to locking up your bike. Specifications & Features: - 9/10 security rating - 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 - Key Safe Program - Protective vinyl coating - Product dimensions: 4" x 10.25" (10.2cm x 26cm) - Product weight: 4.85 lbs. (2.20 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.