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176 Great Rd, Acton, MA 01720
Phone: 800-479-3197
Mon - Wed, Fri: 10:00am - 6:00pm, Thu: 10:00am - 8:00pm
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U-Locks

63 Results
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Bontrager Elite Keyed Mini U-Lock
Bontrager Elite Keyed Mini U-Lock

Small but strong Bontrager has partnered with ABUS to offer best-in-class bike security. The Elite keyed mini 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… [more]

  Kryptonite Keeper 12 Long Shackle U-Lock
Kryptonite Keeper 12 Long Shackle U-Lock

Kryptonite's Keeper 12 Long Shackle U-Lock is like a tough nut: you just can't crack it. Thanks to the 12mm hardened steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. The shackle connects to the… [more]

Kryptonite Keeper 12 STD U-Lock
Kryptonite Keeper 12 STD U-Lock

Kryptonite's Keeper 12 U-Lock is like a tough nut: you just can't crack it. Thanks to the 12mm hardened steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. The shackle connects to the disc-style… [more]

  Kryptonite KryptoLok Series 2 Mini-7 U-Lock
Kryptonite KryptoLok Series 2 Mini-7 U-Lock

Kryptonite's KryptoLok Series 2 Mini-7 may be a little guy, but it packs a big punch thanks to the 13mm hardened Performance steel shackle that resists bolt cutters and leverage attacks. Popular among urban cyclists and messengers, the Mini fits well in a pocket and locks up quickly thanks to the… [more]

Kryptonite New-U KryptoLok Mini-7 w/Flex
Kryptonite New-U KryptoLok Mini-7 w/Flex

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

  Kryptonite KryptoLok Combo U-Lock
Kryptonite KryptoLok Combo U-Lock

The KryptoLok Combo U-lock is like a tough nut: you just can't crack it. Thanks to the 13mm hardened Performance steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. A built-in four-digit resettable… [more]

Kryptonite KryptoLok Series 2 ATB
Kryptonite KryptoLok Series 2 ATB

The KryptoLok Series 2 ATB U-lock’s extra width makes this the standard for mountain bike security. With a reinforced steel shield over the crossbar and cylinder, enhanced security to internal functions comes standard. The 13mm hardened Performance steel shackle resists cutting and leverage… [more]

  Kryptonite KryptoLok Series 2 STD
Kryptonite KryptoLok Series 2 STD

The KryptoLok Series 2 STD U-lock is like a tough nut: you just can't crack it. Thanks to the 13mm hardened Performance steel shackle that resists cutting and leverage attacks, you get peace of mind while you run into the grocery store or lock up outside the coffee shop. The lock includes two “I”… [more]

Kryptonite New-U KryptoLok Mini-7
Kryptonite New-U KryptoLok Mini-7

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

  Kryptonite New-U KryptoLok ATB
Kryptonite New-U KryptoLok ATB

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

Kryptonite New-U KryptoLok LS
Kryptonite New-U KryptoLok LS

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

  Kryptonite New-U KryptoLok Standard w/ Flex
Kryptonite New-U KryptoLok Standard w/ Flex

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

Kryptonite New-U KryptoLok Standard
Kryptonite New-U KryptoLok Standard

Constantly improving. Kryptonite's New-U generation of U-Locks features a patent-pending double deadbolt design, anti-rotation capability, sliding dust covers, and an updated, modern design. The KryptoLok has a security rating of 6/10 making it a great choice for quick urban stops or longer… [more]

  Kryptonite Evolution Series Disc U-Lock
Kryptonite Evolution Series Disc U-Lock

Kryptonite's Evolution Series Disc U-Lock provides security with an oval crossbar design that keeps thieves at a distance. Its short steel shackle crossbar delivers additional strength to resist cutting, and the tight opening helps prevent leverage attacks. The Evolution Series Disc is 1.8 x… [more]

Kryptonite KryptoLok Mini-7 with Front WheelBoltz
Kryptonite KryptoLok Mini-7 with Front WheelBoltz

KryptoLok Series Mini-7 - 13mm hardened Performance steel shackle resists cutting and leverage attacks - Reinforced hardened cross-bar design provides increased protection - High-security, disc-style cylinder - Anti-rattle bumpers reduce noise during transport - Rotating dustcover protects cylinder… [more]

  Kryptonite New-U Evolution Mini-5
Kryptonite New-U Evolution Mini-5

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SLIDING DUSTCOVER - NEW DOUBLE DEADBOLT DESIGN - HIGHER… [more]

Kryptonite New-U Evolution Mini-7 w/Flex
Kryptonite New-U Evolution Mini-7 w/Flex

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - SLIDING DUSTCOVER - DOUBLE DEADBOLT DESIGN - HIGHER SECURITY… [more]

  Kryptonite New-U Evolution Mini-9
Kryptonite New-U Evolution Mini-9

Specifications & Features: - 7/10 security rating - 13MM HARDENED MAX-PERFORMANCE STEEL SHACKLE resists bolt cutters and leverage attacks - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SLIDING DUSTCOVER - NEW DOUBLE DEADBOLT DESIGN - HIGHER… [more]

Kryptonite Messenger Mini U-Lock
Kryptonite Messenger Mini U-Lock

- 11mm hardened MAX-Performance steel shackle provides lighter weight lock while maintaining the security level of Evolution Minis - Increased shackle dimensions allows for a wider range of lock-up scenarios - Reinforced cuff over crossbar and cylinder for additional security - High security,… [more]

  Kryptonite New-U Evolution LITE Mini-6
Kryptonite New-U Evolution LITE Mini-6

Specifications & Features: - 7/10 security rating - KRYPTONITE’S LIGHTEST WEIGHT U-LOCK OPTION at 730 grams 39% lighter than the Evolution Mini-5 - 11mm hardened New MAX-PERFORMANCE STEEL SHACKLE material allows reduction of shackle diameter while maintaining the performance standards of the… [more]

Kryptonite New-U Evolution Standard
Kryptonite New-U Evolution Standard

Specifications & Features: - 8/10 security rating - 14mm hardened MAX-PERFORMANCE STEEL SHACKLE - 3 STAINLESS STEEL KEYS — including new key design and one LED REPLACEABLE KEY FOB - Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attacks - NEW SMALLER… [more]

  Kryptonite Messenger Mini Plus U-Lock
Kryptonite Messenger Mini Plus U-Lock

• 11mm hardened MAX-Performance steel shackle provides lighter weight lock while maintaining the security level of Evolution Minis • Increased shackle dimensions allows for a wider range of lock-up scenarios • Wheel extender provides secondary protection of your front or rear wheel • Reinforced… [more]

Kryptonite New-U Evolution LS
Kryptonite New-U Evolution LS

The New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. Specifications and Features: - Security rating: 8/10 - 14mm hardened MAX-PERFORMANCE… [more]

  Kryptonite New-U Messenger Mini+
Kryptonite New-U Messenger Mini+

Developed with feedback from New York City bike messengers, the Messenger Mini+ helps you lock more and carry less. Its 7/10 security rating makes it a perfect lock for quick stops in metropolitan areas and college campuses and longer stops in rural and suburban areas. The wheel extender can secure… [more]

Kryptonite New-U New York Lock Standard
Kryptonite New-U New York Lock Standard

The New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. The New York Lock Standard is the perfect choice for bike security in major… [more]

  Kryptonite New-U New York Lock LS
Kryptonite New-U New York Lock LS

The New U, the U-Lock redesign from Kryptonite, features expanded double-deadbolt security, anti-rotation capability, and a fresh new design, all making life quite a bit harder for the bike thieves of the world. The New York Lock Standard LS is the perfect choice for bike security in major… [more]

Kryptonite New York Fahgettaboudit U-Lock
Kryptonite New York Fahgettaboudit U-Lock

This is one of Kryptonite’s strongest bicycle U-locks; it has more steel than a bank vault. The 18mm MAX-Performance steel shackle and massive crossbar are designed to withstand the most rigorous tests from thieves. The next generation in disc-style cylinders makes picking nearly impossible and the… [more]

  Kryptonite New-U New York Fahgettaboudit Mini
Kryptonite New-U New York Fahgettaboudit Mini

Kryptonite's New-U New York Fahgettaboudit Mini is simply the strongest lock money can buy. Its 10/10 security rating makes it the best choice for quick stops or overnight security in major metropolitan areas, college campuses...pretty much anywhere! Bike thieves can just Fahgettaboudit.… [more]

Odyssey Slugger Aluminum U-Lock
Odyssey Slugger Aluminum U-Lock

Odyssey's Slugger U-Lock is a lightweight aluminum lock and offers solid protection. The bold red will also scare thieves away (most likely). - 120mm X 55mm. - 2 keys included. [more]

  OnGuard Bulldog STD LM
OnGuard Bulldog STD LM

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… [more]

63 Results
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[ 1 | 2 | 3 ] Next