High-tech rear mudguard for road bicycles. Protects against splashes and road dirt. Adjustable (by hand/tool) for perfect positioning above the wheel. Long, stiff, and aerodynamic design. Aero quick-release system Ringfix. Includes protective sticker for the seat post. Suitable for (aero) seat posts with a diameter of 25.0 to 57.3mm. Composite material.