STIHL AVS 100 heavy front wheels support safe use of your STIHL iMOW® robotic mower on particularly hilly terrain. These front wheels add extra weight to the front area of the robotic lawnmower. This modified weight distribution improves the automatic lawn mower’s grip on uphill or downhill gradients on sloping ground so that your STIHL iMOW® works effectively and thoroughly during automatic lawn mowing. The STIHL AVS 100 heavy front wheels have a lightweight, non-slip tread in the middle, and are easy to move and manoeuvre. They are also easy to install.The heavy STIHL AVS 100 front wheels are suitable for all STIHL iMOW® robotic mowers from the RMI 4 and RMI 5 series.