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U-Locks

Kryptonite Evolution Series 4 LS U-Lock
$82.99
Kryptonite's Evolution Series 4 LS U-Lock provides maximum security with an oval crossbar design that keeps thieves at a distance. Its 14mm MAX-Performance steel shackle and double deadbolt locking mechanism provide additional strength to resist cutting and leverage attacks. It includes three keys for the disc-style cylinder; two keys are “I” keys and one has a high intensity LED light for convenient, easy unlocking in the dark. And, thanks to the Transit Flex Frame Bracket System, you get plenty of convenient mounting options so your lock is out of your way in transit. The Evolution Series 4 is 4 x 11.5-inches and has an anti-theft protection offer of $2,250.
Kryptonite New York Fahgettaboudit U-Lock
$113.99
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 oversize hardened MAX-Performance steel sleeve over the MAX-Performance steel crossbar adds extreme protection to the locking mechanisms. The New York Fahgettaboudit U-lock is 3.25 x 6-inches and has an anti-theft protection offer of $4,500.
Kryptonite KryptoLok Combo U-Lock
$47.99
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 combination gives you easy unlocking and locking capabilities--no keys necessary! You can also take advantage of the Transit Flex Frame bracket for plenty of convenient mounting options. The KryptoLok Combo is 4 x 8-inches and has an anti-theft protection offer of $1,250.
ABUS Ultra 410 U-Lock (9-inch) + Cobra Cable
$49.99
Featuring a simple, strong, and aggressive design, ABUS' Ultra 410 is the ideal entry-level U-lock. It's simple design conceals a number of high-tech advancements in security. The addition of the Cobra Cable adds security and versatility. The 12mm double-bolting, temper-hardened steel shackle extends all the way through the lock body, providing excellent protection against cutting and torsion attacks in a simple yet innovative design. • Innovative soft-touch housing cover prevents damage to paint • Pass-through shackle provides anti-twist protection • Easy-to-mount SH 34 bracket mounts easily to frames with a 24-35mm diameter • Double-layered cylinder with special wafers and additional decoy cuttings protects against picking • Mechanism Type: Key • Diameter: 12 mm • Shackle Shape: Round • Shackle Height: 230 mm • Shackle Width Inner: 11.8 cm • 2 keys are supplied with the lock
Kryptonite Evolution Mini
$69.99
Kryptonite's Evolution Mini U-Lock 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 disc-style cylinder and "I" keys, one of which features a high-intensity LED light for locking and unlocking in the dark. And, it includes the Transit Flex Frame Bracket so you get plenty of mounting options while you ride. You get snug security thanks to the short crossbar and shackle on the 5.5-inch model, and if you need more space, simply choose the larger 9.5-inch model.
OnGuard Bulldog DT
$44.95
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.
Kryptonite Keeper 12 STD U-Lock
$26.99
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 cylinder for exceptional security, and it all sits in the click-style transportation bracket so it stays stable during transport. To top it all off, you get a reinforced collar over the keyway for added protection, not to mention Kryptonite's $500 Anti-Theft Protection offer.
ABUS Ultimate 420 U-lock (Standard)
$64.99
ABUS's U-locks offer strength, durability and protection you can count on. Their Ultimate 420 U-Lock boasts a hardened steel shackle and a hardened lock body to keep your bike safe and sound. Plus, its reversible key is easy to use, and you can carry the Ultimate on your bike with the included mounting bracket. The protective cover over the lock barrel keeps dust and dirt out of the key mechanism.
OnGuard Bulldog Medium DT
$41.95
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 Bulldog Combo STD
$39.95
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 Combo Mini DT U-Lock
$44.95
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
OnGuard Combo Mini U-Lock
$37.95
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 Bulldog ATB
$39.95
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 Bulldog LS
$39.95
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 Bulldog Mini
$32.95
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 Bulldog Mini LS
$36.95
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.
Kryptonite Evolution Series 4 STD U-Lock
$77.95
Kryptonite's Evolution Series 4 LS U-Lock provides maximum security with an oval crossbar design that keeps thieves at a distance. Its 14mm MAX-Performance steel shackle and double deadbolt locking mechanism provide additional strength to resist cutting and leverage attacks. It includes three keys for the disc-style cylinder; two keys are “I” keys and one has a high intensity LED light for convenient, easy unlocking in the dark. And, thanks to the Transit Flex Frame Bracket System, you get plenty of convenient mounting options so your lock is out of your way in transit. The Evolution Series 4 is 4 x 9-inches and has an anti-theft protection offer of $2,250.
Sunlite Power Shield U ATB w/Cable
$27.99
- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 5x9"
Sunlite U-Lite
$29.99
- 9mm Aluminum shackle for rugged everyday use - Pick resistant cylinder resists tampering and raking - Silicon overmolded cover prevents damage to frame - Lightweight protection for low crime areas - 350 grams - Type: Mini - Length: 2.75x5"
Kryptonite Keeper 12 Long Shackle U-Lock
$28.99
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 disc-style cylinder for exceptional security, and it all sits in the click-style transportation bracket so it stays stable during transport. To top it all off, you get a reinforced collar over the keyway for added protection, not to mention Kryptonite's $500 Anti-Theft Protection offer. The lock measures 4 x 11.5-inches for plenty of locking clearance.
Kryptonite KryptoLok Series 2 Mini-7 U-Lock
$42.99
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 disc-style cylinder and "I" keys, one of which features a high intensity LED for locking and unlocking in the dark. And, it includes the Transit Flex Frame Bracket so you get plenty of mounting options while you ride. The lock measures 3.25 x 7-inches.
Odyssey Slugger Aluminum U-Lock
$29.99
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.
Serfas UL-290 U-Lock
$35.00
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.
Sunlite Soft Touch Mini U-Lock
$21.99
Take along Sunlite's Soft Touch Mini U-Lock wherever you roll for convenient security. In addition to increased portability, its small size makes it harder for a thief to break using a leverage attack. Extra keys are included, and the soft coating won't scratch your frame.
Sunlite U-Lite w/Cable
$37.99
- 9mm Aluminum shackle for rugged everyday use - Pick resistant cylinder resists tampering and raking - Silicon overmolded cover prevents damage to frame - Lightweight protection for low crime areas - 350 grams - Type: Mini w/4x10mm cable - Length: 2.75x5"
Sunlite Power Shield U Long
$21.99
- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x11.5"
Sunlite Defender U Combo Standard
$29.99
- Single bolt locking mechanism - 13mm hardened steel shackle - Multi position mounting bracket included - User resettable combination - Length: 4x9"
Sunlite Power Shield U Standard
$17.99
- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 4.5x7.85"
Sunlite Defender U Combo Standard + Cable
$33.99
- Single bolt locking mechanism - 13mm hardened steel shackle - Multi position mounting bracket included - User resettable combination - Length: 4x9" - Type: STD w/ 4x10mm cable
Sunlite Power Shield U ATB
$21.99
- Single bolt high security mechanism - 12mm hardened steel shackle - Pick, pull, and drill resistant cylinder - Quick release mounting bracket - Length: 5x9"
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