Locks/Security

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)

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.

- 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

- 10mm coated steel cable - Think vinyl cable coating paint protection - 2 looped ends

Use the ABUS 1500 Lock and protect your stuff. It's 2-feet long and resists prying and cutting for security wherever you park. This serious 4mm-thick chain is wrapped in a durable cover to keep your bike's finish safe and it comes with two keys. - Diameter: 4mm

The innovative Bordo 6000 folding lock from ABUS is secure, slim and handy! Attach the compact case (included) to your frame, pedal away, and when you arrive at your destination, simply pull out your trusty Bordo, unfold it and enjoy the tough security of an ABUS lock! Its soft silicone coating is gentle on your bike's finish. And, the ABUS Extra-Class lock cylinder is tamper resistant, too.

ABUS' U-locks offer strength, durability and protection you can count on. The Granit 460 U-Lock boasts a burly 12-mm thick hardened steel shackle and a seriously tough double bolted lock body to keep your bike safe and sound. Its quality ABUS Extra Classe lock cylinder is highly tamper resistant and it's a snap to carry the Granit 460 on your bike with the included bracket. This lock includes two keys. - Dimensions: 4.25 x 9 inches

ABUS' U-locks offer strength, durability and protection you can count on. The Granit Plus 470 U-Lock boasts a burly 12-mm thick hardened steel shackle and a seriously tough double bolted lock body to keep your bike safe and sound. Its quality ABUS Plus lock cylinder is highly tamper resistant and it's a snap to carry the Granit Plus 470 on your bike with the included bracket. This lock includes two keys, one with an LED light, and an automatic keyhole cover to protect the lock against dirt and corrosion. - Dimensions: 4.25 x 9 inches

Compact and lightweight, ABUS' high-security Granit Plus 640 U-Lock is capable of locking around reinforced parking meters. The 640 features a 12mm special hardened-steel round shackle that retains its flexibly to offer great protection again crowbar attacks. The upgraded locking mechanism bolts 4 times into the lock body (2 times per shackle side) to provide excellent protection against twisting/torsion/cutting attacks, while still offering great feel and comfort when locking. - Excellent corrosion resistance - Shackle double bolts in lock body - Shackle, case and supporting elements of the locking mechanism are made of special hardened steel - Very intensive use of special weight-optimized alloy and light materials - Soft-touch coating feels good in the hand and protects paint job from damage - ABUS Plus cylinder offers high protection against picking - ABUS Code Card provided for easy key replacement, re-ordering - Mechanism Type: Key - Diameter: 12 mm - Shackle Shape: Round - Shackle Height: 150 mm - Shackle Width Inner: 8.3 cm - 2 keys are supplied with the lock - 1 LED-lighted key are supplied with the lock

ABUS' U-locks offer strength, durability and protection you can count on. The Granit X-Plus 54 Mini U-Lock boasts a tough and conveniently sized 13-mm thick, 5.5-inch long parabolic steel shackle and an impressively tough lock body to keep your bike safe and sound. The double bolted ABUS X-Plus lock cylinder is highly tamper resistant, and it's a snap to carry the Granit X-Plus 54 on your bike with the included bracket. This lock comes with two keys, one of which features an LED light while the keyhole features an automatic cover to protect the lock against dirt and corrosion.

ABUS' U-locks offer strength, durability and protection you can count on. The Granit X-Plus 540 U-Lock boasts a burly, 13-mm thick, 9-inch long parabolic steel shackle and an impressively tough lock body to keep your bike safe and sound. The double bolted ABUS X-Plus lock cylinder is highly tamper resistant, and it's a snap to carry the Granit X-Plus 54 on your bike with the included bracket. This lock comes with two keys, one of which features an LED light while the keyhole features an automatic cover to protect the lock against dirt and corrosion. - Dimensions: 4.25 x 9 inches

The Ionus Chain 8900 offers great mid-level security by itself or as an ideal second lock for urban riders requiring an additional security option to supplement their heavier u-locks. Easy to use, easy to transport. - 8mm square hardened steel chain links - Pinned fabric sleeve protects bike's frame and paint job - Chain, lock body and supporting elements all made of special temper hardened steel - Two keys supplied with lock - Anti-drill protection plate at keyhole - Industry leading corrosion resistance makes this lock incredibly durable.

The ABUS Mini 140 U-Lock offers strength, durability and protection you can count on. It boasts a 14mm-thick, hardened steel shackle and a hardened lock body to keep your bike safe and sound. Plus, its reversible key is easy to use, and you can carry the Mini on your bike with the included mounting bracket.

ABUS leaves nothing to chance. We have equipped this chain lock with high-quality two-component number reels. That way, you will get years of enjoyment out of your lock. The numbers on this combination lock remain legible even after prolonged use. We want you to enjoy your bicycle and your ABUS lock for as long as possible. That is why we don't apply color to the numbers and produce the number reel from two durable components. - 5mm thick square chain with textile sleeve that prevents damage to paintwork - The chain is made of special steel - Two-component number reels guarantee long-term readability of the digits - The number code can be set individually

The high-quality XPlus cylinder on the Steel-O-Chain 9808K chain lock provides excellent protection against manipulation of the lock and thus against theft. No matter if someone tries to break into the bike lock or the XPlus cylinder with conventional tools, or even special ones – they won’t get very far. The built-in XPlus cylinder and the 8 millimetre specially hardened steel chain provide great theft protection. In order to protect the paintwork on the bike in the long run, the chain is covered with a textile sleeve. Even the keyhole has a cover to protect it from dirt and corrosion. Well secured, your bike can be parked with no worries. - 8 mm square chain. - The chain, housing and structural parts of the locking mechanism are made of specially hardened steel. - Automatic keyhole cover to prevent corrosion and the ingress of dirt. - ABUS XPlus cylinder for the greatest protection against manipulation such as picking. - Great protection for when there is a high risk of theft - Two keys included.

Subtle and modern Equipped with a combination of numbers, the lock is easy to use. The complete plastic coating of the lock body and the distinctive textile hose of the chain prevent damage to the paint on the bicycle to be secured. - 7mm square chain with fabric sleeve to prevent damage to the bicycle‘s paintwork - The chain is made of specially hardened steel - Two-component molded digits guarantee life-long visibility - Special touch protection for higher security against unauthorized access to the code through manipulation of the mechanism - Individually settable code

The Ultra Mini 410 U-Lock is compact and combines high-quality materials with intelligent locking technology. What features does it have to protect against theft? A 12mm thick rounded shackle which is made of specially hardened steel – just like the body and structural parts of the locking mechanism. Combined with a high-quality locking cylinder which offers superb protection against tampering such as picking thanks to "double locking", the Ultra Mini 410 U-Lock is a reliable companion when you are out on your high-end bicycle. The lock passed the ice spray test with flying colors. Technology: - Hardened 15/32" round shackle - The shackle, body and the structural parts of the locking mechanism are made of specially hardened steel - The special, modern design of the lock body casing allows for optimum handling - High-quality locking cylinder for a high level of protection against tampering, e.g. picking Operation and use: - Good protection at medium theft risk - Recommended for securing good bicycles - The longer the shackle, the easier the bicycle can be locked to a fixed object

Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. - Innovative soft-touch housing cover prevents damage to paint - Pass-through shackle provides anti-twist protection - Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter - Double-layered cylinder with special wafers and additional decoy cuttings protects against picking - Mechanism Type: Key - Diameter: 12 mm - Shackle Shape: Round - Shackle Height: 140 mm - Shackle Width Inner: 10 cm - 2 keys are supplied with the lock

The Ultra Mini 410 U-Lock is compact and combines high-quality materials with intelligent locking technology. What features does it have to protect against theft? A 12mm thick rounded shackle which is made of specially hardened steel – just like the body and structural parts of the locking mechanism. Combined with a high-quality locking cylinder which offers superb protection against tampering such as picking thanks to "double locking," the Ultra Mini 410 U-Lock is a reliable companion when you are out on your high-end bicycle. The lock passed the ice spray test with flying colors. Technology: - Hardened 15/32" round shackle - The shackle, body and the structural parts of the locking mechanism are made of specially hardened steel - The special, modern design of the lock body casing allows for optimum handling - High-quality locking cylinder for a high level of protection against tampering, e.g. picking Operation and use: - Good protection at medium theft risk - Recommended for securing good bicycles - The longer the shackle, the easier the bicycle can be locked to a fixed object

Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. The addition of the Cobra Cable adds security and versatility. - Innovative soft-touch housing cover prevents damage to paint - Pass-through shackle provides anti-twist protection - Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter - Double-layered cylinder with special wafers and additional decoy cuttings protects against picking - Mechanism Type: Key - Diameter: 12 mm - Shackle Shape: Round - Shackle Height: 140 mm - Shackle Width Inner: 10 cm - 2 keys are supplied with the lock

Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. - Innovative soft-touch housing cover prevents damage to paint - Pass-through shackle provides anti-twist protection - Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter - Double-layered cylinder with special wafers and additional decoy cuttings protects against picking - Mechanism Type: Key - Diameter: 12 mm - Shackle Shape: Round - Shackle Height: 230 mm/300 mm - Shackle Width Inner: 11.8 cm - 2 keys are supplied with the lock

The Ultra Mini 410 U-Lock is compact and combines high-quality materials with intelligent locking technology. What features does it have to protect against theft? A 12mm thick rounded shackle which is made of specially hardened steel – just like the body and structural parts of the locking mechanism. Combined with a high-quality locking cylinder which offers superb protection against tampering such as picking thanks to "double locking," the Ultra Mini 410 U-Lock is a reliable companion when you are out on your high-end bicycle. The lock passed the ice spray test with flying colors. Technology: - Hardened 15/32" round shackle - The shackle, body and the structural parts of the locking mechanism are made of specially hardened steel - The special, modern design of the lock body casing allows for optimum handling - High-quality locking cylinder for a high level of protection against tampering, e.g. picking Operation and use: - Good protection at medium theft risk - Recommended for securing good bicycles - The longer the shackle, the easier the bicycle can be locked to a fixed object

The Ultra Mini 410 U-Lock is compact and combines high-quality materials with intelligent locking technology. What features does it have to protect against theft? A 12mm thick rounded shackle which is made of specially hardened steel – just like the body and structural parts of the locking mechanism. Combined with a high-quality locking cylinder which offers superb protection against tampering such as picking thanks to "double locking", the Ultra Mini 410 U-Lock is a reliable companion when you are out on your high-end bicycle. The lock passed the ice spray test with flying colors. Technology: - Hardened 15/32" round shackle - The shackle, body and the structural parts of the locking mechanism are made of specially hardened steel - The special, modern design of the lock body casing allows for optimum handling - High-quality locking cylinder for a high level of protection against tampering, e.g. picking Operation and use: - Good protection at medium theft risk - Recommended for securing good bicycles - The longer the shackle, the easier the bicycle can be locked to a fixed object

Install or replace all lock cylinders on your Thule products and use the same key for all. - Set of 2 locks, all using the same key - Including grip-friendly Thule Comfort key - Replace the locks in your Thule product in a few easy steps

Ever wish your cable was longer so that you could lock up your bike and accessories? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

Ever wish your cable was longer so that you could lock up your bike and accessories? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

Ever wish your cable was longer so that you could lock up multiple bikes? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

Fear no bike commute with OnGuard's saddle and accessory tether. A sturdy steel cable with permanently fastened loops at either end provides a high degree of security for your bike. 5mm thick, flexible steel cable is tough as nails, and a vinyl coating protects your bike's paint from scratches.

Ever wish your cable was longer so that you could lock up multiple bikes? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

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.

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 durable, reliable 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 X2 double-bolt locking mechanism and come with five laser-cut keys, including OnGuard's Microlight key with a built-in light.

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.

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.

This bracket is designed to either mount to your seatpost or top tube. The bracket is designed to hold your lock while you are riding.

Laminated steel padlock with smooth brass lock mechanism and 10mm (0.39") hardened steel shackle. • Non-marring padlock bumper protects paint and finishes. • 5 Heavy-Duty F-Style keys

Keep your bike safe! OnGuard's Bulldog ATB boasts 1/2-inch hardened-steel construction and OnGuard's stout X2 double-bolt lock that resists picking, drilling, bumping, and pulling for serious protection. It also features a wide shackle, making it ideal for bigger framed bikes. And thanks to the included mounting bracket you can bring the Bulldog ATB along for every ride. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.

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.

OnGuard's Bulldog Combo STD will guard your bike day and night. It boasts a 13mm-wide hardened-steel shackle and OnGuard's stout X2P Double Bolt design that resists drilling, picking, bumping, and pulling for serious protection. This Bulldog sports a resettable 4-digit combination plus a mounting bracket so you can bring the lock along for every ride.

OnGuard's Bulldog DT pairs a tough-as-nails U-lock with a sturdy steel cable for increased security. The 13mm hardened steel shackle resists cutting, and OnGuard's stout X2 double-bolt lock mechanism is pick, drill, bump, and pull-resistant. The 9" shackle, combined with 4' braided steel cable lets you lock bike to a standard parking meter post without removing your front wheel, making lock-up faster, easier, and more secure. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light. - All OnGuard locks feature integrated covers for protection from moisture and dirt. - OnGuard locks feature plastic, rubber, or vinyl at all contact points to protect your bike's finish. - Shackle Dimensions: 115mm x 230mm (W x H x Dia) (4.5" x 9") x 13mm (0.51") D - Cable Dimensions: 120cm x 10mm (4' x 0.39")

OnGuard's Bulldog LS (Long Shackle) offers a large locking zone, plus OnGuard's high-security 13mm-thick hardened-steel construction and stout X2 double-bolt lock, which resists cutting, picking, bumping, and drilling. And with the included mounting bracket, your Bulldog can come along for every ride. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Bulldog Medium is always ready for a ride. This U-lock is as strong as larger locks, yet more compact. The 13mm-thick hardened steel and OnGuard's stout X2 double-bolt lock resist cutting, picking, pulling, bumping, and drilling. And you can carry it on your bike with the included bracket, or easily stow it in a pack or even your pocket. This mighty lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Bulldog Medium DT is always ready for a ride. This U-lock is as strong as larger locks, yet more compact. The 13mm-thick hardened steel and OnGuard's stout X2 double-bolt lock resist cutting, picking, pulling, bumping, and drilling. And, the included 4-foot steel cable is long enough that you can lock both wheels without removing them from the frame. This mighty lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Bulldog Mini is always ready for a ride. This small U-lock is as strong as larger locks, yet much more compact. The 13mm-thick hardened steel and OnGuard's stout X2 double-bolt lock resist cutting, picking, pulling, bumping, and drilling. And you can carry it on your bike with the included bracket, or easily stow it in a pack, or even your pocket. This mighty mini also comes with five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Bulldog Mini DT is always ready for a ride. This small U-lock/cable combination is strong, compact, and smart. The 13mm-thick hardened-steel shackle and OnGuard's stout X2 double-bolt lock resists drilling, picking, bumping, and pulling for serious security. Plus, the 4-foot-long cable lets you lock both wheels and accessories with ease, too. The Mini includes a mount for carrying it on your bike and fits in a pack, too. This mighty mini also comes with five keys, including OnGuard's Microlight key which has a built-in light.

OnGuard's Bulldog Mini LS is always ready for a ride. This U-lock is long enough to lock your frame to a parking meter, or lock your front wheel up with the frame. The 13mm-thick hardened steel and OnGuard's stout X2 double-bolt lock resist cutting, picking, pulling, bumping, and drilling. And you can carry it on your bike with the included bracket, or easily stow it in a pack, or even your pocket. This mighty lock also comes with five keys, including OnGuard's Microlight key which has a built-in light. - Dimensions: 3.5 x 9.5 inches - All OnGuard locks feature integrated covers for protection from moisture and dirt. - OnGuard locks feature plastic, rubber or vinyl at all contact points to protect your bike's finish.

OnGuard's Bulldog STD boasts an 13mm-thick hardened-steel shackle and OnGuard's stout X2 double-bolt lock that resists drilling, picking, bumping, and pulling for serious protection. And, thanks to the included mounting bracket you can bring the Bulldog along for every ride. This great U-lock also comes with five keys, including OnGuard's Microlight key, which has a built-in light. - All OnGuard locks feature integrated covers for protection from moisture and dirt. - OnGuard locks feature plastic, rubber, or vinyl at all contact points to protect your bike's finish. - Shackle Dimensions: 115mm x 230mm (W x H x Dia.) (4.53" x 9.06") x 13mm (0.51") D

OnGuard's Bulldog STD LM boasts an 11mm-thick, hardened-steel shackle and OnGuard's stout X2 double-bolt lock that resists drilling, picking, bumping, and pulling for serious protection. And thanks to the included mounting bracket, you can bring the Bulldog along for every ride. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light. - Dimensions: 4.5 x 9 inches - All OnGuard locks feature integrated covers for protection from moisture and dirt. - OnGuard locks feature plastic, rubber or vinyl at all contact points to protect your bike's finish.

Popular shackle length with X2P Double Bolt protection combined with improved user-settable steel ball click-combo lock system with included 4 foot fully coated, braided steel cable for more locking options.

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.

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. And the Glo model has a built-in micro light that backlights the numbers so you can see them in the dark! Genius!

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 Doberman is a strong self-coiling steel cable. The cable has a tough vinyl cover that protects your bike and the padlock is easy to use.

This extra-long version of OnGuard's Doberman cable lock is strong enough to use every day, and long enough so you can lock up a friend's bike right alongside yours. The X2 double-bolt lock mechanism resists bumping and picking, and provides high pull resistance. It includes five keys and is made from a strong steel cable covered with tough vinyl to protect both itself and your bike.

OnGuard's Mastiff Chain delivers major protection for your bike in high-risk areas. Its titanium-reinforced, 10mm hexagonal links resist attacks from saws and cutters, while the burly lock resists picking, pulling, and bumping and locks on all four sides of the shackle, maximizing resistance to pulling attacks. This lock comes with five keys, including one with a built-in light.

OnGuard's PitBull DT is a sturdy U-lock/cable combination that protects your bicycle with 1/2-inch hardened steel, OnGuard's X4 quattro-bolt lock, and a 3/8-inch-diameter cable. This cable is 4-feet long so that you can lock up your wheels, or another bike, with ease. And thanks to the included mounting bracket the PitBull DT will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key which has a built-in light.