Metal Copper Gear Transmission Gears 11T 50T 54T 40T 43T 0.2 0.3 0.35 Modulus Pinion wear resistant Gear DIY Gearbox
USD 0.55USD 0.65
Metal Copper Gear Transmission Gears 11T 50T 54T 40T 43T 0.2 0.3 0.35 Modulus Pinion wear resistant Gear DIY Gearbox