The CS802 Rixen & Kaul Extended Lockholder is a durable and versatile accessory designed for securely attaching your bike lock to your bike frame. This lockholder is made of high-quality plastic and is compatible with most standard bike locks. The lockholder is easy to install and can be attached to your bike frame or seat post using a simple screw and bolt mechanism. It is also lightweight, weighing only 30 grams, so you won't even notice it's there. The CS802 Rixen & Kaul Extended Lockholder is an excellent accessory for any cyclist who values convenience, security, and ease of use.