Put an end to bike theft worries with the heavy - duty Hiplok D1000 Black D - Lock. This lock is your bike's ultimate first line of defense. Engineered with top - quality materials, it features a double deadlock and anti - rotation locking. The 14mm premium hardened steel shackle, reinforced with graphene, can withstand the toughest attacks, even from angle grinders. Despite its robust build, it's incredibly light, weighing just 1.9kg, making it one of the lightest Diamond - rated bike locks. With Hiplok's 10 - year lifetime warranty, you can rest assured your bike is safe. Key features include being an anti - angle grinder D lock, having a Sold Secure Diamond rating for bicycles and motorcycles, a double dead lock, anti - rotation locking, and 3 replacement coded keys. Specifications are as follows: weight of 1.9kg, shackle diameter of 20mm, locking area of 15.5cm X 9.2cm, and a Sold Secure Diamond Bicycle & Motorcycle security certification.

Using the Hiplok D1000 Black D - Lock is easy. First, find a secure object like a bike rack. Pass the shackle through your bike's frame and the object. Then, insert the key and turn it to lock. You'll hear a click to confirm it's locked. Make sure to remove the key after locking. When unlocking, just insert the key and turn it the other way. As for maintenance, keep the lock dry. If it gets wet, dry it with a cloth. Avoid using harsh chemicals on the lock. Check the keys regularly for any signs of wear. Replace the keys if they start to look damaged. Also, don't expose the lock to extreme temperatures for long periods as it may affect its performance. With proper use and care, this lock will keep your bike safe for years.