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.

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

The KryptoFlex 1004 Double Loop Cable is a 3/8-inch braided steel cable providing increased cut resistance. The double loops are for use with U-locks, disc locks and padlocks. The vinyl coating protects bikes and equipment from scratches. It includes the Hook-n-Loop strap for easy carrying. The KryptoFlex 1004 Looped Cable is 3/8-inch x 4-feet.

The KryptoFlex 1007 Double Loop Cable is a 3/8-inch braided steel cable providing increased cut resistance. The double loops are for use with U-locks, disc locks and padlocks (sold separately). The vinyl coating protects bikes and equipment from scratches. It includes the Hook-n-Loop strap for easy carrying. The KryptoFlex 1007 Looped Cable is 3/8-inch x 7-feet.

The KryptoFlex 1018 Combo Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. The integrated, four-digit resettable combination lock has indexed number dials to provide error-free combination setting. The KryptoFlex 1018 Combo Cable is 3/8-inch x 6-feet.

The KryptoFlex 1018 Key Cable is a 3/8-inch braided steel cable to be used in low-crime areas or as a secondary security measure. An advanced cylinder provides protection from picking and a sliding weather guard protects the cylinder from dirt, water and road grime. Plus, the lock head rotates so lock-up and removal are a snap. The KryptoFlex 1018 Key Cable is 3/8-inch x 6-feet.

The KryptoFlex 1030 Looped Cable is a 10mm braided steel cable providing increased cut resistance. The double loops are for use with U-locks, disc locks and padlocks (sold separately). The vinyl coating protects bikes and equipment from scratches and it includes a Hook-n-Loop strap for easy carrying. The KryptoFlex 1030 Looped Cable is 0.4-inch x 30-feet.

The KryptoFlex 1218 Combo Cable is a 12mm braided steel cable to be used in low-crime areas or as a secondary security measure. With an integrated, four-digit resettable combination lock that features indexed number dials to provide error-free combination setting, lock up and release are a snap. During transit, the Hook-n-Loop strap supports the cable while the Transit Flex Frame Bracket provides plenty of tool-free mounting options. The KryptoFlex 1218 Combo Cable is 1/2-inch x 6-feet.

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.

The KryptoFlex 815 Combo Cable is an 8mm braided steel cable to be used in low-crime areas or as a secondary security measure. The integrated, four-digit resettable combination lock has indexed number dials to provide error-free combination setting. The KryptoFlex 815 Combo Cable is 5/16-inch x 5-feet.

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.

A keyed U-Lock and cable combo that provides secure protection with an easy to carry mounting bracket. The standard in security Bontrager has partnered with ABUS to offer best-in-class bike security. The Elite keyed u-lock features a 9mm soft-touch steel shackle that resists cutting and double-bolting lock action for added anti-twist protection. Add in industry-leading corrosion protection and a double layered key cylinder and you get lasting protection with a durable, secure u-lock. Includes on-bike mount, cable, and two keys. - 9mm temper hardened steel for secure, versatile U-Lock protection with the included cable - Double bolting shackle provides anti-twist protection - Premium double-layered cylinder core provides added protection against picking - Soft-touch coating for a smooth look and feel that protects the bike from scratches - Simple mount installs in seconds for simple, versatile on-bike storage - Industry-leading corrosion resistance - Includes U-Lock, bike mount, cable, and 2 keys (replacement keys available) - Security rating 8

Twist-proof hexagonal shackle deters thieves by roughly doubling the time it would take to cut away your lock - 10mm-thick hardened steel shackle wrapped in a silicone sheath keeps your bike protected from thieves and safe from scratches - Size: 108x162mm

- Twist-proof hexagonal shackle deters thieves by roughly doubling the time it would take to cut away your lock - 10mm thick hardened steel shackle wrapped in a silicone sheath keeps your bike protected from thieves and safe from scratches - Size: 108x230mm

Use the ABUS 1500 Lock and protect your stuff. It's 2-feet long and resists prying and cutting for security wherever you park. This serious 4mm-thick chain is wrapped in a durable cover to keep your bike's finish safe and it comes with two keys.

ABUS's Ivera 7210 Cable Lock features a 7mm steel chain to keep your stuff safe and sound. The chain has a soft, durable cover that protects your bike's finish. And, this keyed chain lock includes a convenient seatpost-mounting bracket for easy transport.

ABUS's Super Ultimate 430 U-lock sits at the top of the heap in terms of sheer strength and unassailable bike security. It boasts a burly, 13-mm thick parabolic steel shackle and an impressively tough lock body to keep your bike safe and sound. Its quality ABUS X-Plus lock cylinder is highly tamper resistant and the included bracket makes it a snap to carry the Super Ultimate 430.