Protect your bike with Giant's SureLock Protector 2 STD U-Lock. It boasts a heat-treated, hardened-steel shackle that's a half-inch thick and 11.5 inches long, as well as a pick and drill-resistant keyed lock. The extra-length lets you lock your bike to extra-thick posts or include wheels in one securely locked package. This tough lock includes five laser-cut keys, is vinyl coated so it won't scratch your bike, and comes with a handy carrying bracket that fits almost any frame so you'll never have to leave your lock behind.

Lock up your prized bike with peace of mind when you use Giant's SureLock Force 2 Chain Lock. This beefy lock uses 8mm-thick titanium-enforced steel links with a heavy-duty double-locking cylinder lock that provides high cut resistance. The high security, pick and drill-resistant lock cylinder uses a laser-cut key for the ultimate in protection. Encasing the chain is a water and heat-resistant cover that won't scratch your bike's finish.

Protect your bike with Giant's SureLock Protector LS U-Lock. It boasts a heat-treated, hardened-steel shackle that's a half-inch thick, as well as a pick and drill-resistant keyed lock. It's 11.5 inches long, so you have room to add a wheel or your helmet. This tough lock includes five laser-cut keys, one of which features a powerful LED light. The shackle is vinyl coated so it won't scratch your bike and it comes with a handy carrying bracket that fits almost any bike tube so you'll never have to leave your lock behind.

Protect your bike with Giant's SureLock Protector Std 1 U-Lock. It boasts a heat-treated, hardened-steel shackle that's a half-inch thick and 9 inches long, as well as a pick and drill-resistant keyed lock. This tough lock includes five laser-cut keys, one of which includes an LED light. Plus, it's vinyl coated so it won't scratch your bike and it comes with a handy carrying bracket that fits almost any bike tube so you'll never have to leave your lock behind.

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.

This is it. The big boy of locks. Use Giant's SureLock Force 1 Chain Lock in the sketchiest areas to secure your prized possession. This beefy lock uses 10mm-thick titanium-enforced steel links with a hardened-steel double-locking shackle that provides maximum security. The high security, pick and drill-resistant lock cylinder uses a laser-cut key for the ultimate in protection. Encasing the chain is a water and heat-resistant cover that won't scratch your bike's finish.

- Extra security against theft - 5mm hex CrMo axle

- Length 130 cm - Diameter shackles 5.5 mm - Diameter plug in pin 10 mm - Used in combination with safety frame lock AXA Imenso or Block XXL - With one operation your bike is locked with 2 locks - 760 grams