The NutFix Seatpost Clamp Security Device by Abus offers twice the level of protection for your bicycle's seatpost and saddle, making it extremely difficult for thieves. It is important to not solely rely on the quality of your bicycle lock attached to the frame, as many thieves target individual parts such as wheels and saddles. The NutFix provides additional security specifically for your seatpost and saddle.Featuring innovative gravitation technology, the NutFix offers secure locking and proven picking protection. It can be easily installed using a standard SW 15 open-end spanner. The caps of the NutFix are anodised and available in various colours, providing long-term protection against corrosion. The nuts of the device are made from high-quality stainless steel.The NutFix is recommended for securing medium- to high-class bicycles. To ensure the NutFix cannot be opened, it is important to always have your bicycle securely attached to a fixed object, such as with an ABUS U-lock or BORDO. With the NutFix Seatpost Clamp Security Device, you can have peace of mind knowing that your seatpost and saddle are extra protected against theft.