Bicycle Parts & Accessories › Kryptonite › Chain Door Guard Lock Security

The Kryptonite 790 Integrated Bike Chain Lock features an end-link locking poi... The Kryptonite 790 Integrated Bike Chain Lock features an end-link locking point for extensive holding power and four-sided 3T manganese steel chain links. Rated at a 5 / 10 on our security scale it is good for quick stops in a metropolitan area a... more

10mm six-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LI... 10mm six-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Patented* reinforced OVAL... more

10mm six-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LI... 10mm six-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Patented reinforced OVAL... more

The lightweight Kryptonite Keeper Integrated Bike Lock Chain is made of harden... The lightweight Kryptonite Keeper Integrated Bike Lock Chain is made of hardened 3t manganese steel formed into 7mm four-sided links. Recommended for use in low crime areas. Kryptonite chain locks represent the maximum amount of security available. more

The Keeper 411 lock uses 4mm thick chain links wrapped in a protective fabric ... The Keeper 411 lock uses 4mm thick chain links wrapped in a protective fabric cover protecting your bike s finish. Features: 4mm thick chain links wrapped in a protective fabric cover 110cm length more

The Kryptonite Chain Bike Lock features 8mm round chain links made of hardened... The Kryptonite Chain Bike Lock features 8mm round chain links made of hardened steel with a protective nylon cover. The three-foot chain lock includes two stainless steel keys with an ergonomic design to reduce torque and keep them from bending or... more

Chain Size 14 mm six-sided chain links made of 3T manganese steel. Anti-theft ... Chain Size 14 mm six-sided chain links made of 3T manganese steel. Anti-theft Protection Register your product online to activate the optional Anti-theft Protection. In the unlikely event the product is defeated when used properly Kryptonite will... more

The Kryptonite Keeper Integrated Bike Lock Chain is a 5mm- thick four sided ch... The Kryptonite Keeper Integrated Bike Lock Chain is a 5mm- thick four sided chain link made from hardened carbon steel. At 33.5 inches long the Kryptonite Keeper chain lock gives you biking security with compact coiling for easy carrying. A... more

This lock is constructed of hardened steel and provides high security. Secure ... This lock is constructed of hardened steel and provides high security. Secure disc-style cylinder resist picking and drilling Short crossbar and shackle create a compact fit providing better security Hardened double deadbolt design gives additional... more

The Kryptonite Kryptolok Standard U-Lock features a 12.7 mm hardened performan... The Kryptonite Kryptolok Standard U-Lock features a 12.7 mm hardened performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center keyway... more

The Kryptonite Evolution Mini-7 Bike U-Lock features a 13 mm hardened max perf... The Kryptonite Evolution Mini-7 Bike U-Lock features a 13 mm hardened max performance steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center... more

The Kryptonite Heavy Duty U-lock offers a 10 long shackle which provides extra... The Kryptonite Heavy Duty U-lock offers a 10 long shackle which provides extra length for tricky lock-up situations. With a 5 out of 5 on the security scale this maximum security lock has a 14mm hardened steel shackle and a double deadbolt design... more

12 mm six-sided chain links made of 3T hardened manganese steel for maximum st... 12 mm six-sided chain links made of 3T hardened manganese steel for maximum strength cinch loop for effective lock-ups using less chain offers nearly the same length as a traditional 5.5 chain which means less bulk to carry durable protective nylon... more

14 mm six-sided chain links made of 3T Hardened Manganese Steel for ultimate s... 14 mm six-sided chain links made of 3T Hardened Manganese Steel for ultimate strength. Durable protective nylon cover with hook-n-loop fasteners to hold in place. Includes maximum security New York Disc Lock with 15 mm Max-performance Steel Shackle.... more

Keeper 712 integrated chain lock features 7mm four-sided chain links made from... Keeper 712 integrated chain lock features 7mm four-sided chain links made from 3t manganese steel. Patent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerability and providing extra holding power. High-security... more

Kryptonite Evolution 790 Folding lock uses 5.4mm hardened steel links for high... Kryptonite Evolution 790 Folding lock uses 5.4mm hardened steel links for high security- rated high enough for valuable ebikes. The links are rubber-coated to protect the bike s finish. Fold the lock up to a compact size and mount it in the included... more

Kryptonite Keeper Mini folding lock. Lightweight smaller lock provides 4/10 se... Kryptonite Keeper Mini folding lock. Lightweight smaller lock provides 4/10 security for shorter stops in lower risk areas. Small folded size is easily slipped into pocket or mounted to the bike with included bracket.Compact mini – great for quick... more

The Kryptonite Heavy Duty U-lock offers a 10 long shackle which provides extra... The Kryptonite Heavy Duty U-lock offers a 10 long shackle which provides extra length for tricky lock-up situations. With a 5 out of 5 on the security scale this maximum security lock has a 14mm hardened steel shackle and a double deadbolt design... more

The Kryptonite Resettable Combination Steel Cable is 6 long and 12mm thick and... The Kryptonite Resettable Combination Steel Cable is 6 long and 12mm thick and is rated a 3 out of 5 on the Kryptonite Security Scale making this a great lock to help secure your bike from potential thieves. It features keyless security with its... more

LOCK KRY CHAIN 1012 EVO SER-4 4.72fx10mmKryptonite security levels: 1 (Low) - ... LOCK KRY CHAIN 1012 EVO SER-4 4.72fx10mmKryptonite security levels: 1 (Low) - 10 (High)10mm six-sided chain links made of 3t manganese steelWeather resistant nylon sleeve prevents scratches to painted finishesPin-less link design secures chain to... more