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 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.

- 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)

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.

3 locks in one. Maximum-security Gold Sold Secure rated Chain and D-Lock combination designed with E-bikes in mind. The 10mm hardened-steel noose chain mates with the 14mm hardened-steel DX shackle to give an extended-locking length, making it easier to secure larger frames. The included Z LOK provides further security for luggage and accessories. 3 x coded replaceable keys and Hiplok Lifetime Warranty guarantee included.

Hiplok’s lightest wearable chain lock with integrated 4-digit combination lock. Weighing just 800g and featuring Hiplok’s patented wearable fastening which adjusts to fit the waist without being locked to the body, SPIN is easy to take with you while offering good security with 6mm hardened-steel chain at its core. The integrated combination lock means no need to take keys, providing convenient security for the everyday cyclist.

Longer length, easier to lock Bontrager has partnered with ABUS to offer best-in-class bike security. The Bontrager Comp Keyed Chain Lock provides secure protection and industry-leading corrosion protection. The chain is 110cm in length and is made of 4mm hardened steel. It's covered in a fabric sheath to protect your bike frame and give it a nice finished look. Product details - 4mm temper-hardened steel chain links for secure protection in a 110cm length - Fabric sleeve for a classy look and feel that protects bike paint from scratches - Versatile linked-chain design for quick and easy security - Industry-leading corrosion resistance - Includes chain lock and 2 keys (replacement keys available) - Security Rating 3/15: basic security and protection against theft. Great for locking your bike to take a quick stop in low risk areas

A keyed chain lock that provides secure protection thanks to a durable 9mm hardened steel chain. Our most secure chain lock We've partnered with ABUS to offer best-in-class bike security. The Bontrager Ultimate Keyed Chain Lock offers reliable protection with 9mm hardened steel links and a security rating of 9. It's covered in a fabric sheath to protect your bike frame and give it a nice finished look. Product details - 9mm temper-hardened steel chain links for secure protection in an 85cm length - Anti-drill plate at keyhole provides added protection against picking - Fabric sleeve for a classy look and feel that protects bike paint from scratches - Versatile linked-chain design for quick and easy security - Industry-leading corrosion resistance - Includes chain lock and 2 keys (replacement keys available) - Security rating 9

Strength and simplicity come together in OnGuard's Akita Combo lock. It's a 6-foot by 1/2-inch thick 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 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.

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.

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.

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.

OnGuard's Doberman is a strong self-coiling steel cable secured with OnGuard's stout X2 double-bolt lock which resists picking, drilling, and cutting. The cable has a tough vinyl cover which protects your bike. For convenience, the Doberman comes with a mounting bracket so you can carry the lock on your bike. And you get five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Doberman is a strong self-coiling steel cable secured with OnGuard's stout X2 double-bolt lock, which resists picking, drilling, and cutting. The cable has a tough vinyl cover which protects your bike. For convenience, the Doberman comes with a mounting bracket so you can carry the lock on your bike. And you get five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Doberman is a strong self-coiling steel cable secured with OnGuard's stout X2 double-bolt lock, which resists picking, drilling, and cutting. The cable has a tough vinyl cover which protects your bike. For convenience, the Doberman comes with a mounting bracket so you can carry the lock on your bike. And you get five keys, including OnGuard's Microlight key which has a built-in light.

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.

- Self coiling cable - High security keyed locking mechanism - High resistance against cutting, pulling and sawing - Tough vinyl cable cover protects bikes and equipment against scratches - Sturdy AllTube mounting bracket - Weatherproof - 5 keys - 0.43KG (0.95 lb) - Limited lifetime warranty

- High security locking mechanism - 12mm self coiling cable - Tough Vinyl cable cover - Include a quick release mounting bracket - Include 2 keys

- Steel ball click-combo gear system - 12mm self coiling cable - Tough Vinyl cable cover - 4 digit set: choose your own combination (10 000 variations) - Ergonomic dial for precise use - Includes a quick release mounting bracket

- Steel ball click-combo gear system - 8mm self coiling cable - Tough Vinyl cable cover - Fixed 4 digits combination - Ergonomic dial for precise use

- Steel ball click-combo gear system - 10mm heavy-duty self coiling cable - Tough vinyl cable cover - 4 digit set: choose your own combination (10,000 variations) - Ergonomic dial for precise use

- High-security locking mechanism - 10mm (1/2'') heavy-duty, extra flexible steel cable - Tough vinyl cable cover - Pick-, pull-, and drill-resistant cylinder with dust cover - Includes 2 keys

OnGuard's Rottweiler locks provide years of unwavering 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 reliable, safe X2 double-bolt locking mechanism that resists drilling, picking, pulling, and bumping. It comes with five laser-cut keys, including OnGuard's Microlight key with a built-in light.

- Self coiling cable - High security keyed locking mechanism - High resistance against cutting, pulling and sawing - Tough vinyl cable cover protects bikes and equipment against scratches - Sturdy AllTube mounting bracket - Weatherproof - 5 keys - 0.67kg (1.48lbs) - Limited lifetime warranty

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

HEXBAND is the latest addition to the OTTOLOCK line, featuring added resistance to shearing tools and cable cutters, making it a stronger quick-stop bike lock for users with higher security requirements. HEXBAND is differentiated by using six stainless steel band layers (versus three in the original) while still being wrapped in an internal aramid fiber jacket. Weighing just 75 grams more, HEXBAND is ideal for bicycle lock-ups, back- or top-of-vehicle gear, construction equipment, and more. OTTOLOCK is designed for quick stops and protecting against opportunity theft. OTTOLOCK is not a replacement for a U-Lock. OTTO does not claim HEXBAND is unable to be cut. For maximum security, use a redundant locking method with both a U-Lock and a secondary lock. See Use Guidelines. - Extra tough: 6 layers of stainless steel provide added shear resistance. 2.5x steel thickness. - Lightweight: Starting weight only 190g. Lightweight, portable and easy to always carry. - 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" = 190g / 30" = 250g / 60" = 375g

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.

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.

- 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)