Replacement Left & Right Walking Wheels — Fits Q Revo / S7 Max Ultra Key benefits Restores reliable movement: Replaces worn or damaged walking wheels so your robot regains smooth steering and consistent navigation. Prevents operational issues: A tight, no‑looseness fit reduces wobble and avoids jams that can interrupt cleaning cycles. Easy maintenance: Quick swapin replacement lets you get the machine back to full function without professional service. What this part does Function: Assists the vacuum's drive system for steering and forward/backward movement, supporting normal cleaning operations. Fit: Left and right wheels are matched to the original part dimensions and mounting points for secure installation and proper alignment. Performance: Rolls smoothly to adapt to the machine's walking mode and handle a variety of floors without jamming. Practical attributes Compatibility: Designed specifically for Q Revo and S7 Max Ultra vacuum cleaners. Fit quality: Engineered to sit firmly without looseness, maintaining stable contact with the drive assembly. Maintenancefriendly: Simple assembly and disassembly; no complex tools required—suitable for firsttime DIY repairs. Use scenarios a damaged wheel after bumping or wear to restore precise navigation and reduce repeated cleaning interruptions. Keep a spare set on hand for routine maintenance to quickly refresh both left and right drive wheels and extend the robot's service life. Swap in wheels when the robot starts dragging or hesitating on transitions between hard floors and rugs to improve cleaning coverage. What to expect Direct replacement compatible with original mounting and operation. Improved roll and steering behavior immediately after installation. Quick, tool exchange that gets your vacuum back to full cleaning performance.