U-Locks

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

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 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 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.

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.

- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 5x9"

- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x9"

- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x9"

- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Mounting bracket included - 2 laser cut keys - Length: 3.5x7"

- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 5x9"

- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x7.85"

Kryptonite's Evolution Mini U-Lock may be a little guy, but it packs a big punch thanks to the 13mm hardened Performance steel shackle that resists bolt cutters and leverage attacks. Popular among urban cyclists and messengers, the Mini fits well in a pocket and locks up quickly thanks to the disc-style cylinder and "I" keys, one of which features a high-intensity LED light for locking and unlocking in the dark. And, it includes the Transit Flex Frame Bracket so you get plenty of mounting options while you ride. You get snug security thanks to the short crossbar and shackle on the 5.5-inch model, and if you need more space, simply choose the larger 9.5-inch model.

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)

- Double bolt locking mechanism - Hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x11.5"

- Single bolt locking mechanism - 13mm hardened steel shackle - Multi position mounting bracket included - User resettable combination - Length: 4x9" - Type: STD w/ 4x10mm cable

- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x11.5"

Trust your bike with Sunlite's Standard U-Lock. Its hardened shackle is super strong. Three keys and a carrying bracket are included, and the soft coating won't scratch your frame.

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 - Carrier: USH with bracket - Length: 9-inch

If you dread keys, the Shackleton is the ticket. You can program in your own four digit code for easy opening each time. Silicone overmold and quick, push-button release shackle will protect your bike in most environments. Product Features: - Security level 5 - Silicone overmold and frame mount included - Shackle size: 96mm x 167mm - Keyless combination wheels - Program your own four digit code - Weight: 2 lbs

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

- 14mm hardened Max-Performance steel shackle resists cutting and leverage attacks - Double Deadbolt locking mechanism has extensive holding power - High-security disc-style cylinder with reinforced anti-drill, anti-pull protection system - Sliding dust cover protects and extends cylinder life - 3 stainless steel keys—one lighted with high-intensity bulb & replaceable battery Key Safe Program Product dimensions: 1.8” x 2.1” (48mm x 54mm) Product weight: 1.85 lbs (0.84 kgs)

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)

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.

Convenience and security of BullDog Combo Mini with included 4 foot fully coated, braided steel cable for more locking options. Shackle Dimensions: 90mm x 140mm x 13mm (W x H x Diam) Cable Dimensions: 120cm x 10mm

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. It finds its place in every backpack and bag so it's always with you when you need to secure your valuable bicycle. - Hardened 13mm round shackle - 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 - Length: 5.5-inch

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

We designed the Maddox for use in big cities and college campuses, to keep your ride safe and secure. The shackle and body are coated to protect your bike, and the included frame mount features a push-button release to let you know the lock is secure when riding. Product Features: - Security level 5 - Frame mount included - Shackle size 113mm x 190mm - 3 keys included - Weight: 2 lb 2 oz

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.

- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 5x9"

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