The Evolution series 4 STD is a maximum security u-lock with a patent-pending oval crossbar design. Its 14mm MAX-Performance steel shackle and double deadbolt locking mechanism provide additional strength to resist cutting and leverage attacks. The Evolution series 4 has passed attack tests from… [more]
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… [more]
• 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'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… [more]
• 11mm hardened New MAX-Performance steel shackle material allows reduction of shackle diameter while maintaining the performance standards of the Evolution Mini-5, Mini-7 & Mini-9 • Reinforced cuff over hardened crossbar and cylinder protects high security disc-style cylinder • DuoCore-new hybrid… [more]
• 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]
Get big city tough with Kryptonite's New York Lock. A 16mm hardened steel shackle scoffs at bolt cutters and leverage attacks, deterring even the most determined bike thieves. The shackle is held in place with a hardened deadbolt locking mechanism for exceptional holding power, while the hardened… [more]
Kryptonite’s flagship New York Long Shackle U-lock has a 16mm MAX-Performance steel shackle made to specifically resist thieves’ attacks in urban and other high theft areas. The hardened MAX-Performance steel sleeve over the MAX-Performance steel crossbar adds protection to the locking mechanisms.… [more]
This is Kryptonite’s strongest bicycle U-lock; it has more steel than any other in our line. 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… [more]
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]
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… [more]
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… [more]
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… [more]
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… [more]
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… [more]
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… [more]
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… [more]
OnGuard's PitBull Mini is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key which… [more]
OnGuard's PitBull Medium is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key that… [more]
OnGuard's PitBull Mini LS is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key which… [more]
OnGuard's PitBull STD is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys plus OnGuard's Microlight key, which has a… [more]
OnGuard's PitBull Mini DT is a sturdy U-lock/cable combination that defends your bicycle with 1/2-inch hardened steel, OnGuard's X4 quattro-bolt lock, and a 3/8-inch-diameter cable. This cable is 4-feet long so that you can lock up your wheels, or another bike, with ease. And thanks to the included… [more]
OnGuard's PitBull LS is a sturdy U-lock that defends your bicycle with 1/2-inch hardened steel and OnGuard's X4 quattro-bolt lock. And thanks to the included mounting bracket the PitBull will be along for every ride. This lock also comes with five keys, including OnGuard's Microlight key which has… [more]
OnGuard's Brute Mini is ideal for serious protection in high-risk areas. Its massive, 16.8mm ultra-hardened-steel shackle laughs at bolt cutters and pry bars. And, OnGuard's solid X4 bolt lock boasts four steel pins that engage at both ends and a triple-reinforced steel crossbar to create a… [more]