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Locks/Security

$62.95
OnGuard's PitBull STD is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys plus OnGuard's Microlight key, which has a built-in light.
$49.95
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.
$27.95
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.
$17.95
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.
$27.95
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.
$44.95
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.
$17.99 - $24.99
Protect your stuff or it's gone. We don't care how nice the neighborhood looks. Use the ABUS 1200 Combo Lock. It's 3.5-feet long and resists prying and cutting for maximum protection wherever you park. This serious chain is wrapped in a durable cover to keep your bike's finish safe and the combination can easily be set to any number you want. Hint: don't use 1234. - Diameter: 4mm
$41.99
- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x11.5"
$17.89 - $22.09
- Heavy duty cable lock with a scratch-free outer housing - 6 feet in length, enough to secure wheel and frame - Includes two keys - Bracket: Included
$30.49
- 6mm chain lock housed in a scratch- and pinch-resistant sleeve with reflective striping - Heavy-duty lock head with 2 keys - Hardened heat treated links - Length: 35"
$18.89
• 8mm x 6ft • Coated cable • Heavy duty laminated key lock
$23.09 - $25.19
• L.E.D. light for low light reading situations • Heavy duty zinc alloy lock body • Weatherproof protective coating • Integrated heavy duty 4-digit resettable combination lock
$23.09 - $25.19
- Heavy-duty cable w/ tough coating - Resettable combination - Quick-release bracket included
$30.49
• Hardened shackle • Weatherproof nylon coating • Flat tumbler lock w/ 3 keys • Bracket included • U-lock: 4 x 7.75-inches • Cable: 10mm x 4 feet
$23.09 - $25.19
- Middleweight cable lock with scratch-free outer casing - Includes bracket with quick release for ease of transport - Resettable combination - Length: 6'/183cm
$17.89 - $22.09
• Heavy duty cable w/ tough coating • Integrated key lock • Bracket included • Length: 6 feet
$49.39
- 6mm heat treated chain links - Resettable Combination - Double bolt locking mechanism - Protective casing protects the chain from the elements and your bike from the chain - High visibility easy read digits
$35.69
- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Mounting bracket included - 2 laser cut keys - Length: 3.5x5.5"
$13.69 - $18.89
- Multi-purpose lightweight cable lock - Resettable combination locking mechanism - Raised dials for easy use - Vinyl coated to protect surfaces
$39.99
- Integrated cable lock mounts on bike frame - 90cm cable length - Compatible with carbon frames
$54.99
The ABUS uGrip 585 chain lock features a 5mm hardened steel chain with a durable cover to protect your bicycle's finish. And, it comes with 2 keys for added convenience. - Length: 29 inches
$54.99
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
$19.95
With its 6’ vinyl-coated 12mm steel cable, key-controlled lock fittings at both ends, and compact package, this lock is a great solution for someone who is always on the go. A do-it-all workhorse at a valued price point. Product Features: - Security level 3 - 12mm steel braided cable with vinyl shell and weather-resistant dust shutter - 3 keys included - 6’ in length - Weight: 13 oz
$44.95
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
$64.99 - $84.99
The Ultimate 420 radiates a feeling of security through its appearance alone. There are locks and then there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it, then you don't have to look far. Thirteen millimeters of hardened special steel and aggressive coloring make it immediately clear to any bicycle thief that they have no chance here. At the same time, the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: - Hardened 13mm round bracket - The shackle, housing, and supporting parts of the locking mechanism are made of specially hardened steel - Special, modern design of the lock body sheathing enables optimum handling - High-quality locking cylinder for high protection against manipulation, 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
$18.99 - $23.99
ABUS' Cobra Cable is made of strong, flexible, 10mm-thick steel to keep your bike safe, while its soft, durable coating protects your bike's finish. Plus, its looped ends make attaching your favorite lock (sold separately) a snap.
$74.99
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: - 12.7mm hardened PERFORMANCE STEEL SHACKLE - New 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: 4” x 9” (10.2cm x 22.9cm) - Product weight: 2.9 lbs (1.32 kgs)
$119.99
GRANIT™ PLUS 470 MAXIMUM PROTECTION AGAINST A WIDE VARIETY OF BIKE THEFT TECHNIQUES Stop thieves in their tracks: the GRANIT™ Plus 470 U-Lock offers superb protection against attempts to remove the lock by hitting or pulling. Do you need to leave your high-value bicycle in locations such as railway stations where the risk of theft is high? Then the GRANIT™ Plus 470 U-Lock is your ideal companion: the ABUS Power Cell technology offers superlative protection against attempts to remove the lock by hitting or pulling. The shackle, the body and the load-bearing parts of the locking mechanism are manufactured from specially hardened steel. It also features the picking-resistant Plus disc cylinder. This combination has earned the GRANIT™ Plus 470 acclaim in a wide variety of tests, with seals of approval from OSIMZ (Russia) and test institutes in Finland, Sweden, Denmark, Norway and the United Kingdom. - Hardened 15/32" parabolic shackle - ABUS Power Cell technology provides outstanding protection against attempts to remove the lock by hitting or pulling - The shackle, the body and the load-bearing parts of the locking mechanism are manufactured from specially hardened steel - Automatic cover to protect the keyhole from contamination and corrosion
$164.95
- 5.4mm hardened steel links for high security lock ups - Features a 360 degree rotating lock head - Durable rubber coating on steel links protects the bike frame - Includes new click tight bracket for effortless, quiet and reliable transport - Includes 2 keys - Key safe program - Eligible for the anti-theft protection offer - E-Bike approved - Lifetime Warranty
$89.99
At just 440g, the BORDO Lite 6055C is a lightweight lock that offers the perfect security-to-weight ratio. Due to its small size, the BORDO Lite easily fits into jersey pockets. And, thanks to the individually configurable digit code, you no longer have to take an additional key with you during bike rides. - Special steel design with color-coordinated plastic casing to prevent damage to bike's paint - The bars and housing are manufactured using particularly lightweight materials and steel alloys - Bars connected with special rivets - Two-component number tumblers guarantee long-term readability of the digits - Individually configurable code
$74.99 - $79.99
A Material That Offers Resistance The concept that the IvyTex technology is based on has already been in use for several years in industrial applications in areas subjected to high wear, where moving parts have to be protected against wear and tear. ABUS has taken advantage of this concept by using it in the sleeves for its chain locks. The effect of this is twofold: it provides protection against wear and tear, as well as preventing the chain from causing damage to the bicycle. IvyTex technology has many other benefits aside from its durability. The hi-tech fabric is also highly flexible as well as weatherproof and resistant to liquids. This prevents water from being absorbed by the fabric, thereby protecting the locks against corrosion. Its durability also means that there's no excuse for not securing your bicycle, even if the weather is bad and you worry about the lock getting dirty. - 7mm square chain with functional, long-lasting, and highly-flexible mesh sleeve to prevent damage to the bicycle's paint - The sleeve offers very high protection against abrasion and does not absorb any liquids, e.g. water or oil - The chain, the case, and supporting elements of the locking mechanism are made of specially hardened steel
$34.99
Thanks to its easy use, the Combiflex TravelGuard can be used to quickly and reliably lock items such as bike helmets, bags and skis, and even pushchairs. Ideal for short stops on the way and can be stowed in any trouser or jersey pocket. Whether at the bakery or at the chalet, it’s an uncomplicated way to protect your property against theft. An extra solid steel core and a 3-digit opening code provide the necessary protection. The numeric code can be set and changed individually. The 45 centimetre long cable forms a lashing loop, the length of which can be freely adjusted. This flexible design allows the cable lock to be used in a variety of ways in everyday life to secure objects and easily secure your property. Now nothing stands in the way of your quiet coffee break. - Cable protection with extra solid steel core - 3-digit combination can be set and changed by the user - Cable lock with releasable locking mechanism - Small and lightweight, fits well in trouser or jersey pocket - 4 mm thick and 45 cm long - Keyless cable lock for everyday use or when travelling - Ideal for securing luggage, prams and sports equipment such as skis, snowboards, inline skates and bicycle helmets
$34.99
Secure your eBike battery to your bike using quality Abus lock cores.
$44.95
Secure your eBike battery to your bike using quality Abus lock cores.
$79.99 - $89.99
The dimensionally stable Goose Lock chain lock features a unique housing design, soft-touch coating and specially hardened steel. For the good feeling of security and a special feel. With the Goose Lock, ABUS has developed a dimensionally stable bike lock that is also highly appealing to the eye and to the touch and features impressive colouring and design technology. It is made up of several components: the classic 6-millimetre steel chain, the gooseneck, the foam cover and a coating made of plastic fibres. The steel chain – like the housing and structural parts of the locking mechanism – is manufactured from specially hardened steel. The term "gooseneck" refers to two metal spiral springs wound together that ensure the dimensional stability of the lock. This allows the lock to be bent into the desired shape and wrapped tightly around the bicycle frame. The foam ensures the unmistakable feel of the lock and rattle-free transport. Excellent protection against abrasion and scratches is provided by the durable, highly flexible coating made of plastic fibres. Thanks to the dimensional stability and the foam, it is very easy to transport the lock. It does not rattle on the bike frame, yet still remains flexible. It is available in different colours - for an individual colour statement to match any bike. - 6mm chain with functional, durable and highly flexible textile fibre sheathing - The chain, housing and structural parts of the locking mechanism are made of hardened steel - Won't rattle in transport thanks to dimensional stability
$39.99 - $49.99
ABUS's uGrip 585 Chain Lock features a 5mm hardened steel chain with a durable cover to protect your bicycle's finish. And, it comes with two keys for added convenience.
$34.99 - $44.99
Secure your eBike battery to your bike using quality Abus lock cores.
$44.99
Secure your eBike battery to your bike using quality Abus lock cores.
$81.95
- End link locking point for extensive holding power - 4-sided 3t manganese steel chain links - 5 digit resettable combination over 100,000 codes - Patent pending lock head design - Combo Safe Program - Product dimensions: Length 90cm - Product weight: 5.85 lbs
$89.99
The uGrip BORDO 5700 Combo folding lock offers an outstanding level of protection. This folding lock meets all the safety requirements and also creates a coherent style: the uGrip BORDO 5700 Combo colors are a perfect match for those of the helmet models ABUS Pedelec and ABUS Urban-I 2.0 Neon. It's the ideal keyless companion for anyone in search of a coordinated look. - 5mm steel bars - Bars are linked with special rivets - Two-component molded digits guarantee life-long visibility - Individually settable code
$219.95
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!
$16.99
MSW Combination Cable Locks are resettable and self-coiling. They're easy to carry along on your rides, providing basic security for lower risk situations. They're also coated to protect your bicycle and available in a variety of cable diameters. - Tool-free, 4-digit re-settable combination lock - Plastic coated to prevent damage to bike - Pre-coiled for easy storage and transportation - RLK-108: 8mm thick, 5' long - RLK-110: 10mm thick, 6' long - RLK-112: 12mm thick, 6' long with mounting bracket
$31.95
- 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)
$44.99
The Chain Lock Steel-O-Chain 5805K is particularly suitable for cyclists who often find themselves in areas with a low risk of theft. The flexibility provided by chain locks are ideal for cyclists who often need to lock their bike up in different locations. The clear advantage of the Chain Lock Steel-O-Chain 5805K, with its 5mm square chain made from specially hardened steel, is its flexibility. It offers numerous options for locking your bike securely to various objects. Ideal objects include sturdy bike stands or lampposts, as long as the bike does not hinder anyone else when left there. - 5mm square chain with textile sleeve to protect against damage to the paintwork - The chain is made of specially hardened steel
$19.99
Lightweight, multi-function security tie with integrated 3-digit resettable combination lock. Z Lok Combo’s steel core and unique ratchet design, which fastens while locking, offers practical added protection for short café stops with accessories, kids bikes and for other outdoor equipment.
$29.99
Hiplok POP is a wearable cable bike lock designed for a wide variety of cyclists. With a 130cm locking circumference, it is ideal for securing multiple bikes while the patented POP fastening means it can be worn around the waist without being locked to the body for easy carriage. Hiplok POP is perfect as a primary lock in low-risk areas, or as an incredibly convenient secondary lock for higher-risk use.
$54.99
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: 180 mm - Shackle Width Inner: 10 cm - 2 keys are supplied with the lock
$49.99
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
$44.99
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
$44.99
- 6mm square chain with textile sleeve to protect against damage to the paintwork - The chain is made of specially hardened steel - Very practical use because only one end of the chain must be locked
$103.95
Developed with feedback from New York City bike messengers, the Messenger Mini+ helps you lock more and carry less. Its 7/10 security rating makes it a perfect lock for quick stops in metropolitan areas and college campuses and longer stops in rural and suburban areas. The wheel extender can secure either the front or back wheel while the Mini captures your frame and the immovable object you lock it to. It comes with two stainless steel keys with convenient coiled wrist key chains. Specifications & Features: - 11mm hardened MAX-PERFORMANCE STEEL SHACKLE provides lighter weight lock while maintaining the security level of Messenger Minis - WHEEL EXTENDER can secure either the front or back wheel while the Mini captures your frame and the immovable object - INCREASED SHACKLE DIMENSIONS allows for a wider range of lock up scenarios - NEW patent pending BENTFOOT DOUBLE DEADBOLT DESIGN - REINFORCED CUFF over crossbar and cylinder for additional security - HIGHER SECURITY DISC-STYLE CYLINDER is pick and drill resistant - NEW ROTATING DUST COVER with stopper plug - 2 STAINLESS STEEL KEYS with coiled wrist key chains - Key Safe Program - Product dimensions: 3.75” x 6.5” (9.5cm x 16.5cm) - Wheel extender: 3.25" x 3.75" (8.3cm x 9.5cm) - Product weight: 2.60 lbs (1.18 kgs)
$99.99
The original wearable bike lock. Hiplok ORIGINAL is a high-security chain lock with a Sold Secure rated hardened-steel chain and 12mm hardened-steel shackle. With Hiplok’s patented belt fastening, it adjusts to fit the waist while riding without being locked to the body, providing an easy way to take a tough chain lock with you. ORIGINAL comes with 3 coded replaceable keys, a toughened-nylon, removable, washable sleeve and Hiplok’s Lifetime Warranty guarantee.
$17.99
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
$32.95 - $37.95
User settable Steel Ball Combo lock is permanently forged to compact titanium-reinforced hardened steel square link chain.
$19.95
- Key service - For B type casing - 113 grams
$279.99
Bike security gets smart. The use of innovative technology, combined with maximum mechanical security, makes the 770A SmartX the most secure bike lock in its class. Enjoy the benefits of the innovative SmartX cylinder and make your iOS or Android smartphone your individualized key. Combined with the proven 100dB alarm, this lock offers maximum security for high-quality E-bikes and load-carrying bicycles. - 13mm hardened square shaft parabolic shackle - SmartX locking system with Bluetooth – high-quality, keyless locking offers user-friendly operation - Alarm function with at least 100 dB for 15 seconds followed by automatic reactivation - 3D Position Detection – detects vibrations and the smallest movement in all three dimensions and triggers the alarm - Smart alarm – the lock only emits a small warning beep in the event of minor and brief vibrations, e.g. if a football bounces nearby - USB-C port - App connection - Location storage of the bike's last parking location - ABUS power cell technology offers the highest level of protection against impacts and attempts to break open the lock - The shackle, the housing and the locking mechanism's load-bearing parts are manufactured from specially hardened steel - Security Level: 15 - Locking type: key - Cable included - Length: 11-inch - Width: 108mm
$72.95
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.
$24.95
Always on the go? Have a lot of stuff? The SteelBraid line is here to travel alongside you, on the road, at home, sports games or wherever you may go. Available in 12-inch length, the braided steel cable is sure to keep your gear safe. We added a vinyl coating to completely cover the cable and prevent rusting to protect your equipment. 12mm diameter with vinyl shell.
$54.95
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")
$89.99
The safe alarm system for your bicycle A lock is good; a lock with an alarm system is even better. With 100 decibels, the 440A padlock will send every thief running. We protect our most valuable possessions with an alarm system. So why not our bike? Our padlock 440 Alarm is equipped with the proven 3D Position Detection System, which registers even the smallest movement. If a thief tampers with your bicycle, the lock sounds the alarm immediately. And at a volume that discourages: 100 decibels is as loud as a circular saw and can be heard from afar. An alarm like that will scare off any bike thief. Technology: - Hardened 15/32" round shackle - The shackle, the body and the load-bearing parts of the locking mechanism are manufactured using specially hardened steel - Special, modern design of the lock body casing allows for optimum handling - High-quality locking cylinder for high protection against manipulation, e.g. picking - Alarm at a volume of at least 100 dB for 15 seconds, followed by automatic reactivation - 3D Position Detection – detects vibrations and the smallest of movements in all three dimensions and triggers an alarm - CR2 batteries included