Locks/Security

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 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.

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.

This extra-long version of OnGuard's Doberman cable lock is strong enough to use every day, and long enough so you can lock up a friend's bike right alongside yours. The X2 double-bolt lock mechanism resists bumping and picking, and provides high pull resistance. It includes five keys and is made from a strong steel cable covered with tough vinyl to protect both itself and your bike.

- Easy-Click Locking - Ergonomic dials for ease of use - New easy to use reset design - Included bracket to easily carry on a bike (-03, -06)

Big cities call for big protection, and Kryptonite's New York Chain delivers with 12mm six-sided chain links made from hardened manganese steel. Wrap this burly lock around your frame worry-free thanks to the durable nylon cover that protects your bike's paint from scratches. Leave with peace of mind knowing the 14mm hardened Max-Performance steel shackle mated to the Evolution Series 4 Disc Lock is on duty. With a double deadbolt design to protect against twist attacks, would-be thieves don't stand a chance. It comes with three stainless steel keys--one of which is lighted for night access!

You can use Giant's SureLock Flex Cable with a padlock (sold separately) to secure your bike and, if you already own a U-Lock, you can use the cable for additional security by passing it through your bike's wheels as you lock your bike. Other options include securing bikes to car racks, locking up extra wheels at races, and more. The possibilities are endless.

Giant's SureLock Flex Combo Coil Cable Lock is an extra-flexible, 185mm-long coiled-steel cable that boasts a built-in, easy-to-use, set-your-own-combination lock. 4 flourescent digits allow 10,000 possible combinations. The cable is vinyl coated to protect the finish of your bike and there's a carrying bracket (not shown) that ensures the lock will always be at the ready.

Use Giant's SureLock Flex-Key Cable Lock alone in safe areas and as a back-up to a U-lock in higher risk neighborhoods. It features a heavy-duty, extra-flexible 185cm cable with an integrated lock that is pick and drill resistant. The tough vinyl cover protects your bike against scratches, plus you get 1 LED light, laser-cut key for nighttime use and 4 regular laser-cut keys.

- X2p double bolt locking mechanism for added security - 10mm-15mm (0.39"-0.59") heavy-duty, extra-flexible, self-coiling cable with integrated lock, tough vinyl cover protects against scratches - Zinc cap offers more protection against hitting attacks - Z-cylinder is more reliable and user-friendly than ever before, prevents key from turning before being fully inserted into the cylinder - High security, pick and drill resistant lock cylinder with automatic dust cover protects lock cylinder - Includes easy-to-use quick release bracket - Flex key coil 15 & 12 include 5 keys (1 led light key and 4 standard keys) - Flex key coil 10 includes 3 standard keys

- Light, colorful and flexible silicon cover prevents scratches - 4-digit set your own combination - Simple and easy to use - Available in five colors

Park your bike with peace of mind when you use Giant's Surelock Protector 1 combo pack. The U-lock features a hardened steel shackle to resist cutting attacks, and uses an XP4 Quattro locking mechanism for unequaled strength. It comes with five keys, one of which features an LED light. The included steel cable loops through your wheels and makes sure that potential thieves walk on by. To keep things simple, Giant included a lock mount that fits nearly every bike frame.

- Extra security against theft - 5mm hex CrMo axle

Secure - Prevents theft instead of standard 9 mm quick-release skewers Quick Assembly - Use proprietary key on frame dropout Construction - Stainless springs with chromoly axle

A set of three blocks secures almost any U-lock to almost any stem and handlebar. The mounting position is balanced and stable.

A larger version of the Bikeblock with an extended strap, the Mega Block is the best holder for large U-locks, the pump bracket of choice for fat tube bikes, and the ideal fastener for large accessories.

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

• Straight cable with PVC sleeve • One extra large loop • 3mm • Length: 2'6" • Cable only

• Four-digit combination • 4mm cable • Length: 3'6"

• Resettable four-digit combination • 4mm chain with protective sleeve • Length: 3'7"

• 8mm x 6ft • Vinyl coated (Water resistant) • Double ended • Heavy duty security cable

- 6mm chain lock housed in a scratch- and pinch-resistant sleeve with reflective striping - Heavy-duty lock head with 2 keys - Hardened heat treated links - Length: 35"

- Resettable combination locking mechanism - Heavy duty self coiling cable - Vinyl coated to protect surfaces - Quick release mounting bracket - Length: 6 feet

- Middleweight cable lock with scratch-free outer casing - Includes bracket with quick release for ease of transport - Resettable combination - Length: 6'/183cm

- 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

- 6mm heat treated chain links - Resettable Combination - Double bolt locking mechanism - Protective casing protects the chain from the elements and your bike from the chain - High visibility easy read digits

- High security locking mechanism - Heavy duty self coiling cable - Pick, pull, and drill resistant cylinder with dust cover - Quick release mounting bracket - Vinyl coated to protect surfaces - Includes 2 laser cut keys

- Hardened heat treated links - Integrated heavy duty flat tumbler lock - Weather resistant casing - Includes 2 keys - Length: 2.5 feet

- Multi-purpose looped ends - Extra flexible steel cable - Straight non-coiling - Vinyl coated to protect surfaces - Diameter: 10mm

• Hardened heat-treated links • Integrated heavy-duty flat tumbler lock w/ 2 keys • Weatherproof protective coating