4pcs Front Wheels — Replacement for X Ultra/J4/J4 Lite/J5/Freo Z Ultra/Freo Z10 Ultra & relevant models What this part does Four front wheels supplied as a direct replacement spare part for compatible robot vacuums. Restores stable frontwheel movement so the robot navigates smoothly and maintains correct steering and floor contact. Intended for household robot vacuum maintenance and spare part replacement. Why you need it Replaces worn, damaged, or missing front wheels that cause wobbling, dragging, or uneven movement. Prevents navigation errors and reduces the risk of the vacuum getting stuck or steering poorly. Keeps your vacuum functioning as designed without the expense of a full unit replacement. Key attributes Compatibility: Fits X Ultra, J4, J4 Lite, J5, Freo Z Ultra, Freo Z10 Ultra and relevant models that use the same frontwheel assembly. Quantity: Pack contains 4 front wheels. Fit and performance: Matches the original part's mounting and dimensions to support reliable frontwheel movement under normal household use. Use: Specifically made for routine maintenance and sparepart replacement on domestic robot vacuums. Typical use scenarios all four front wheels after several months or years of use to eliminate wobble and restore smooth navigation. Swap a single damaged wheel after a collision or when a wheel is cracked or stuck. Perform preventive maintenance before a heavycleaning period to ensure stable movement and reduce the chance of the robot becoming stuck. Installation and care Designed to match the original wheel mounting for straightforward replacement during routine maintenance. Inspect wheels periodically for wear or damage and as needed to maintain reliable performance. Includes 4pcs front wheels for compatible robot vacuum models.