Locks/Security

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.

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.

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.

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.

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 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

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.

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. - Dimensions: 3.5 x 9.5 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.

OnGuard's Rottweiler locks provide years of unwavering protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and tough. Plus, they all boast OnGuard's reliable, safe X2 double-bolt locking mechanism that resists drilling, picking, pulling, and bumping. It comes with five laser-cut keys, including OnGuard's Microlight key with a built-in light.

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 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.

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

- Titanium-reinforced hardened square link chain mated to an integrated X2P Dual Lock Down head - Featuring new double rubber cover for better protection against bumps and hits.

OnGuard's Bulldog Combo DT will guard your bike day and night. It boasts a 13mm-wide hardened-steel shackle and OnGuard's resettable 4-digit combination lock for top-notch protection. There's also a 4-foot braided steel cable to lock up wheels and accessories. With the included mounting bracket, you can bring this lock along for every ride.

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")

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.

OnGuard's Akita cable lock provides years of sturdy, reliable protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and tough. Plus, they all boast OnGuard's X2 double-bolt locking mechanism and come with five laser-cut keys, including one Microlight key with a built-in light.

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.

OnGuard's Mastiff Chain delivers major protection for your bike in high-risk areas. Its titanium-reinforced, 10mm hexagonal links resist attacks from saws and cutters, while the burly lock resists picking, pulling, and bumping and locks on all four sides of the shackle, maximizing resistance to pulling attacks. This lock comes with five keys, including one with a built-in light.

HEXBAND is the latest addition to the OTTOLOCK line, featuring added resistance to shearing tools and cable cutters, making it a stronger quick-stop bike lock for users with higher security requirements. HEXBAND is differentiated by using six stainless steel band layers (versus three in the original) while still being wrapped in an internal aramid fiber jacket. Weighing just 75 grams more, HEXBAND is ideal for bicycle lock-ups, back- or top-of-vehicle gear, construction equipment, and more. OTTOLOCK is designed for quick stops and protecting against opportunity theft. OTTOLOCK is not a replacement for a U-Lock. OTTO does not claim HEXBAND is unable to be cut. For maximum security, use a redundant locking method with both a U-Lock and a secondary lock. See Use Guidelines. - Extra tough: 6 layers of stainless steel provide added shear resistance. 2.5x steel thickness. - Lightweight: Starting weight only 190g. Lightweight, portable and easy to always carry. - Compact: Coils to a 3-inch diameter. Keep it in or around your saddle bag, backpack, in your pocket, or anywhere you want. - Durable: Chip-resistant Cerakote paint and Santoprene plastic that will not scuff or harm finishes. - Convenient: Keyless resettable combination. - Weight: 18" = 190g / 30" = 250g / 60" = 375g

Keep your stuff safe with Kryptonite's Gripper Combination Padlock. It sports a steel body and a hardened steel shackle for serious strength and protection.

Lock your bike's quick-release components with Kryptonite's 4-foot long Keeper 712 Combination Cable. It's a 7mm braided steel cable that offers increased cut resistance and features a pre-set combination closure. The vinyl coating protects bikes and equipment from scratches, too.

The KryptoFlex 525 Seatsaver Cable is a 2.5-foot cable ideal for securing your bike's seat and seatpost. It's 5mm braided steel cable provides increased cut resistance and the vinyl coating protects bikes and equipment from scratches. The KryptoFlex 525 cable is 3/16-inch x 2.5-feet.

Lock your bike's quick-release components with Kryptonite's 4-foot long Keeper 512 Combination Cable. It's a 5mm braided steel cable that offers increased cut resistance and features a pre-set combination closure. The vinyl coating protects bikes and equipment from scratches, too.

Keep your stuff safe with Kryptonite's Laminated Steel Padlock. It sports a double deadbolt locking mechanism and a hardened steel shackle for serious strength and protection.

- Recommended for quick release component and accessory lock-up - 5mm, SELF-COILING FLEXIBLE STEEL CABLE - Preset 4-digit combination - Protective vinyl cover - Combo Safe Program - Product dimensions: 4/16” (7mm) cable diameter 4’ (120cm) cable length - Product weight: 0.45 lbs (0.20 kgs)

- 3-Digit NonResettable Combination - 4mm thick chain links - 65cm in length - Combo Safe Program

Kryptonite's Transit H-Bar Carrier securely holds your lock on your bars so it's always at the ready. It fits most handlebars from 22 to 32mm in diameter and works with pretty much any U-lock on the planet, from standard ones to the super-fat New York Fahgettaboudit. It also works with cable locks for the ultimate in carrying convenience.