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.

The lightest U-lock on the market. The Carlito’s compact design offers security that can easily fit in the pocket of your jeans or messenger bag and not weight you down. Product Features: - Security level 4 - Silicone overmold - Shackle size: 75mm x 127mm - 3 keys included - Weight: 395g (Under 1lb)

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

The lightest in the Steel-O-Flex family, the Tresor 6615C features 15mm overlapping steel shells that protect the inner steel cable. This lock is best suited to low theft risk areas and is best used as a versatile theft deterrent and for quick stops. The ABUS 2k Combination Dial is made of two distinct materials–the numbers aren't simply painted on–so your combination digits will never rub off and you'll have a lifetime of readability. Nobody likes complicated installation and the 6615C takes it to the absolute next level of easy with its innovative SCMU bracket. It can be mounted to the bike without the use of tools in just seconds–saving you valuable time and effort. It rotates to allow the bracket to be mounted in multiple directions and easily accommodates a wide variety of frame shapes and sizes. The lock is PVC-coated with an attractive matte finish that protects your frame's paint. - 15mm overlapping steel shells protect the inner steel cable - PVC coating protects the frame - 2K Combination Dial for lifelong readability - Innovative SCMU bracket makes mounting and transport a snap!

- Good protection at low theft risk - Recommended for securing entry level and children bicycles - 8mm strong, high quality and very flexible coil cable - Synthetic coating to prevent damage to the bicycle's paintwork - ABUS automatic cylinder with user-friendly reversible key - Two keys are supplied with the lock - Snap Cage bracket (SCMU) for universal mounting

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. Alternatively, you can use the bracket SH 6055 Selle Royal, which allows the BORDO Lite 6055C to be carried underneath a Selle Royal saddle to save space in your jersey pocket or on the bike frame. 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 the 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 - Perfect security-weight ratio - Includes SH Selle Royal bracket

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, 11-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 540 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 11 inches

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

Achieve security and one-key convenience with the ABUS Bordo 6015 Folding lock/Bosch battery lock cylinder combo. - ABUS Plus Cylinder for high protection against picking manipulation - Includes Bosch lock cylinder keyed alike to folding lock - 5mm bars with extra-soft, two-component casing to prevent damage to paint

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

- Hardened steel bracket and lock housing - Anti drilling plate in cylinder - Flexible fixing set also for odd sized frames - Online key service - Maximum security with plug in option - 720 grams

Ultra-lightweight lockable security tie with reinforced steel core. Z LOK’s unique double-ratchet design fastens while locking, providing super-convenient added protection for use on car racks, with accessories and other outdoor equipment.

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.

- Easy-click locking, no need for keys when locking - 2 reversible keys, can be inserted either way - Included bracket to easily carry on a bike - Coiled and compact for easy transportation

- Easy-Click Locking - Ergonomic dials for ease of use - New easy to use reset design - Included bracket to easily carry on a bike

- 5mm hardened steel links for moderate security lockups - Includes easy-to-install transport bracket - Includes 2 keys - Key Safe Program - Product dimensions: Length 85cm - Product weight: 2.35 lbs

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.

Don't come back to your locked bike only to find a sad frame missing its wheels and saddle. ABUS's NutFix system protects wheels and seat posts against theft using a physical trick. Thieves don't know the trick, but you do, so you can open them with a standard wrench. Solid axle nuts sold in pairs.

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

Maximum-security D-lock with 14mm premium hardened-steel shackle with double-locking anti-twist tabs built to withstand the toughest of attacks. One of the lightest Sold Secure Gold rated D-locks, the Hiplok DX features Hiplok’s patented CLIP + RIDE system for easy carry-on bag straps and belts—no bracket required. Includes 3 x coded replaceable keys and Hiplok Lifetime Warranty guarantee.

- Heavy-duty smooth steel ball lock - Durable nylon sheath - 2 keys included - Tough 6mm thick heat-treated steel links - Length: 75cm / 29.5-inches

- Self-coiling cable - Pick Pull and Drill resistant cylinder - Vinyl coated to protect surfaces - 2 laser cut keys - Length: 5 feet

- Key service - For B type casing - 110 grams

Flexible security from ABUS—With this bicycle lock, you can quickly and effectively provide basic protection with a low risk of theft. The Primo 5510K Spiral Cable Lock from ABUS is the answer if you are looking for a bicycle lock for your entry-level bicycle or a children's bicycle. When folded, the ABUS lock can be easily transported in the Snap Cage mount mounted on the bike. The 10mm thick, super-flexible spiral cable offers effective protection when securing the bike around a solid object in regions or in places with a low risk of theft. In addition, we recommend using the Primo 5510K Spiral Cable Lock as a secondary lock for an additional bicycle component lock. - 10mm thick, high-quality and super-flexible spiral cable - Plastic coating to prevent damage to the bicycle’s paintwork

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

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)

- 3mm hardened steel links for moderate security lockups - Includes easy-to-install transport bracket - Includes 2 keys - Key Safe Program - Product dimensions: Length 100cm - Product weight: 1.90 lbs

Kryptonite's KryptoLok Series 2 915 Integrated Chain is a 9mm-thick, four-sided link chain made of triple-heat-treated, boron-manganese steel for serious strength. Its integrated high-security lock cylinder is pick, drill, and cut resistant. This five-foot chain is covered with a weather-resistant nylon sleeve that protects your bike's finish. Plus, the KryptoLok Series 2 has an anti-theft protection offer.

- 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

The ABUS Catena 685 Shadow chain lock features a hardened steel chain with a durable cover to protect your bicycle's finish. It's easy to use and it comes with 2 keys.