TWICE AS SECURE The Nut Fix™ Seat Post Clamp Security Device provides optimal additional protection for your bicycles seatpost & saddle making it twice as hard for thieves. Dont rely solely on the outstanding quality of your bicycle lock attached to the frame for protecting your mid- to high-value bicycle against theft. Many thieves also target individual bicycle parts stealing wheels or saddles for example. The Nut Fix™ provides additional security for your seatpost & saddle against possible theft. Technology: Secure locking thanks to innovative gravitation technology Proven technology for a high level of picking protection Can be installed using a standard SW 15 open-end spanner The anodised surfaces of the caps available in a range of colours provide long-term protection against corrosion Nuts manufactured from high-quality stainless steel Operation & use: Recommended for securing medium- to high-class bicycles Tips: To prevent the Nut Fix™ Component Security Device from being opened the bicycle must always be standing attached to a fixed object perhaps with an ABUS U-lock or BORDO™