Locks/Security

Install or replace all lock cylinders on your Thule products and use the same key for all. - Set of 2 locks, all using the same key - Including grip-friendly Thule Comfort key - Replace the locks in your Thule product in a few easy steps

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

Serfas' tough Big City Linked Lock uses 3.5 feet of 12mm-thick hardened steel to ensure your bike stays right where you left it. A nylon cover protects your bike's paint from scratches while a sliding dust cover on the lock protects the internal mechanisms. Plus, 2 keys are included to unlock the ultra strong 16mm-thick shackle. • 12mm-thick hardened steel chain links • 3.5ft length • Protective nylon cover • 16mm-thick ultra strong shackle • 2 keys • Sliding dust cover protects internal mechanisms

Serfas' Combo Cable Lock offers convenient protection. It's 6-feet long to reach around the frame and wheels, uses an extra-thick, 15mm-diameter cable for safety, is self coiling for easy storage, and is vinyl-coated for weather resistance and to protect your frame's finish. Plus, it includes a resettable, 4-digit combination lock.

Serfas' Key Cable Lock offers strong protection. The 15mm-diameter cable reaches 6-feet and self coils for easy storage. A key combination lock, surrounded by molded rubber, ensures your bike stays put. And, a vinyl coating protects your bike's finish so it looks just as good when you return to ride it.

• 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

Serfas' unique Puck Lock uses 3mm hardened steel with stainless steel rivets that allow it to fold up into a circular puck shape. It expands to 25-inches and is vinyl-coated so it won't scratch your frame. Serfas also includes a bike mount with a quick-release holder so you'll never drop the puck.

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.

• 12mm-thick hardened steel shackle • Bracket included • 203mm shackle length • Sleek, stylish, and secure • Non-scratch coated shackle • Steel tumbler

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

• 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

Ever wish your cable was longer so that you could lock up your bike and accessories? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

Ever wish your cable was longer so that you could lock up your bike and accessories? The Akita Cable has loops on each end allowing it to act as an extension for any other lock. These cables are made from some of the thickest, toughest and most flexible steel in the industry, so you can lock up anything you want and walk away with peace of mind.

Fear no bike commute with OnGuard's saddle and accessory tether. A sturdy steel cable with permanently fastened loops at either end provides a high degree of security for your bike. 5mm thick, flexible steel cable is tough as nails, and a vinyl coating protects your bike's paint from scratches.

Strength and simplicity come together in OnGuard's Akita Combo lock. It's a 6-foot cable lock that provides sturdy, reliable protection without any keys. All you need is a four-digit number you can remember, which can be reset at any time. The Akita Combo is built tough and easy to use.

Strength and simplicity come together in OnGuard's Akita Combo lock. It's a 6-foot by 1/2-inch thick cable lock that provides sturdy, reliable protection without any keys. All you need is a four-digit number you can remember, which can be reset at any time. The Akita Combo is built tough and easy to use.

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

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

The Beast offers OnGuard's highest security rating for serious protection in high-risk areas. Its titanium-reinforced, 12mm-thick hexagonal links are nearly impossible to cut or break, while the hardened-steel shackle resists picking and boasts two steel pins that engage at both ends to create a redundant, secure system. This lock comes with five keys, including one with a built-in light. The Beast is so strong, it's also approved for use with motorcycles and scooters.

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 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.

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 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 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 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.

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.

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.

With OnGuard's Doberman Combo lock, all you need is your bike, the lock, and a number you can remember. This combination lock uses four numbers and can be reset any time. It's made from a strong steel cable covered with tough vinyl to protect both itself and your bike. The Doberman Combo is also self-coiling for easy transport.