U-Locks

• 12mm-thick hardened steel shackle • Bracket included • 140mm shackle length • Non-scratch coated shackle • Steel tumbler

• Solid hardened steel u-lock with durable double dead bolt locking mechanism • 150mm shackle length • Includes 3 keys (1 with LED light and 2 standard) • Steel encased tumbler mechanism • Dust cover keeps locking cylinder clean • Multiple channel key offers many different key variations • Rubber coated durable finish • Includes bike mount with quick release lock holder

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 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 STD boasts a 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.

ABUS' U-locks offer strength, durability and protection you can count on. The Buffo 34 U-Lock boasts a 12-mm thick, hardened steel shackle and a hardened lock body to keep your bike safe and sound. Its reversible key is easy to use and you can carry the Buffo on your bike with the included bracket.

ABUS' U-locks offer strength, durability and protection you can count on. The Buffo 34 U-Lock boasts a 12-mm thick, hardened steel shackle and a hardened lock body to keep your bike safe and sound. Its reversible key is easy to use and you can carry the Buffo on your bike with the included bracket.

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

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.

• Unique combination U-lock • 4-digit resettable combination • 12mm-thick hardened steel shackle • 165mm shackle length • Rubber coated shackle

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.

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.

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 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 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.

Protect your bike with Giant's SureLock Protector DT U-Lock. It boasts a 9-inch-long heat-treated, hardened-steel shackle that's a half-inch thick, as well as a pick and drill-resistant keyed lock. The extra-length lets you lock your bike to extra-thick posts and the included 4-foot-long cable lets you include your wheels in one securely locked package. You also get 3 laser-cut keys for protection. Plus, it's vinyl coated so it won't scratch your bike and it comes with a handy carrying bracket that fit almost any bike tube so you'll never forget your lock.

• Unique combination U-lock • 4-digit resettable combination • 12mm-thick hardened steel shackle • 165mm shackle length • Rubber coated shackle • 6ft-long steel braided cable included

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.

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

OnGuard's Bulldog DT pairs a tough-as-nails U-lock with a sturdy steel cable for increased security. The 1/2-inch hardened steel resists cutting, and OnGuard's stout X2 double-bolt lock mechanism is pick, drill, bump, and pull-resistant. Plus, the included cable is 4-feet long so you can lock both wheels and the frame without any bike disassembly, 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.

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

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

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

• 16mm-thick hardened steel shackle • Bracket included • 203mm shackle length • Sleek, stylish, and secure • Non-scratch coated shackle • Steel tumbler

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 addition of the Cobra Cable adds security and versatility. 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 • Shackle Width Inner: 11.8 cm • 2 keys are supplied with the lock

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.

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's U-locks offer strength, durability and protection you can count on. Their Ultimate 420 U-Lock boasts a 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 Ultimate on your bike with the included mounting bracket. The protective cover over the lock barrel keeps dust and dirt out of the key mechanism.

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.