Your saddle will be safe with the Abus NutFix M5 SPC - Ø 31, 8 mm. Recommended for high and mid-range bicycles with the most common seat post diameters, it has advanced technology for high protection against theft. Its special operation guarantees optimal safety when your bike is attached in an upright position. Indeed, the NutFix buttons cannot be removed and leave access to the nut only when the bicycle is lying on its side. It is easily mounted with a standard SW 8 wrench. Its anodized surface provides durable protection against corrosion.
Prevents saddle theft thanks to its patented gravity technology
State-of-the-art technology for high protection
Easy assembly with standard wrench SW 8
Anodized surface provides durable corrosion protection
Stainless steel nut
To ensure that the NutFix components are not opened, it is absolutely necessary that the locked bicycle rests against a fixed object in a vertical position.
Diameter: 22 mm
Design: Ø 31.8 mm (outer diameter of the upright tube into which your seat post fits)