U-Locks

When security is your priority, the Serfas U-Lock has you covered. Its hardened steel and double dead bolt construction keep your bike safe, while a durable rubber coating protects your finish. It even includes a mounting bracket so you'll never leave home without it.

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 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 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 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.

- Hardened steel bracket and lock housing - Online key service - Maximum security with ULC plug in chain option - 670 grams

- 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

- Defender ring lock with E-bike battery lock - The ring lock has maximum security with plug in option - Hardened steel bracket and lock housing - Anti drilling plate in cylinder - Online key service - 720 grams/181 grams

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

GRANIT™ 460 SPECIALLY HARDENED STEEL COMBINED WITH FIRST-RATE LOCKING TECHNOLOGY A hard nut for thieves to crack: the GRANIT™ 460 U-Lock cannot be bent open or attacked using ice spray. This U-lock has a lot to offer: the 12mm parabolic shackle, the housing and the load-bearing parts of the locking mechanism are manufactured using specially hardened steel. When combined with the ABUS Extra Class cylinder, they result in a lock which can rightly be considered the safest way of securing high-value bicycles. The locking mechanism is a stand-out feature: not only is it particularly secure thanks to the double locking system, but it is also supplied with a coded reversible key. By ordering other locks which are coded appropriately, all of the locks owned by the members of a single family can be operated using one key, for example. - Hardened 15/32" parabolic shackle - The shackle, the lock body and the structural parts of the locking mechanism are manufactured using specially hardened steel - ABUS Extra Class cylinder with coded reversible key

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

ABUS' U-locks offer strength, durability and protection you can count on. The Granit Plus 470 U-Lock boasts a burly 12-mm thick, 11-inch long 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 11 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 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