Sex Machine Racing CNC Stator and Gear (Sprocket) Cover for Honda Grom 125. Using the same 3D manufacturing process as their Dry Clutch Kit, the SMR CNC Stator and Gear Cover is made with the highest quality and precision in the industry. A great way to enhance the left side of the Grom engine is with the SMR CNC covers, no other cover offer this fitment and style. A must have for those who wants their Honda Grom to stand out to the highest level!