Get top - notch security for your bike on the go! Our best - selling Sold Secure Bicycle 10mm heavy - duty chain, certified to Sold Secure Bicycle Gold, is a great investment. Bicycles are expensive, so don't skimp on security. This chain has large 10mm hardened steel links that can resist hacksaw and bolt cropper attacks. Paired with our extra - strong U - lock featuring a hardened shackle and body, it's a powerful combination to safeguard your bike. The security rating is an easy - to - follow guide indicating the strength and usage of the chain and padlock. The color - coding shows light, medium, or heavy use, while the Security Rating reveals the padlock's effectiveness. Included in the set are a Sold Secure Gold 50mm Chain and a Solid Steel Closed Shackle Padlock. This set has remarkable features like resisting drilling, torque attacks, pull attacks, cutting, and bolt cropper attacks for at least 5 minutes. It can also withstand being frozen to - 40°C and a 5 - minute hammer attack. With a Sterling Security Rating of 9, it offers heavy - duty security. And it comes with a 1 - year warranty.

Using this chain and padlock set is easy. First, wrap the chain around a sturdy object and your bike's frame. Then, insert the padlock through the chain and lock it. When choosing a place to lock your bike, pick a well - lit and busy area. Make sure the object you're locking to is immovable. To keep your set in good shape, clean it regularly with a dry cloth. Avoid exposing it to extreme weather for long periods. If you notice any signs of damage, like cracks or excessive wear, it's time to replace the chain or padlock. Also, remember that while this set is very secure, no lock is completely theft - proof, so always be vigilant.