Rebower 6-Piece 48P Pinion Gears, 36T, 37T, 38T, 39T, 40T, 41T, for 3.175mm Shafts, Aluminum Alloy Pinion Gears with Screws for RC Motors

1-[Excellent Features]: Made of high-quality aluminum alloy for excellent durability. The precision-machined teeth ensure precise meshing with the spur gear and prevent damage. 2-[Perfect Size]: Tooth Pitch: 48P; Height: 9mm/0.35"; Inner Diameter: 3.175mm (1/8"); Models: 36T, 37T, 38T, 39T, 40T, 41T. Package Includes: 6 Pinion Gears and 6 Screws. 3-[Wide Application]: This aluminum alloy pinion gear is ideal for RC model cars, trucks, drones, and other models that require precise gear ratios and smooth performance. 48P is the pinion gear pitch, so make sure the spur gear and pinion gear pitch are the same. The pinion gear shaft inner diameter is 3.175mm, so make sure it matches the diameter of your RC motor shaft. 4-[Material]: Achieves reliable power transmission, improving efficiency and speed/torque control. Each pinion comes with a set screw for easy installation. 5-[Caution]: Please check compatibility with the specifications of your RC model before installation.