What is this?Plastic Spindle Gear Set is a lightweight, durable transmission unit for precise power transfer in small systems. It links DC motors to driven components in RC cars, robotics, and DIY builds, ensuring reliable motion control with compact shaft alignment.What will I get? The plastic gears set,provides here,is in size of:Modulus: 0.5Material: PlasticAxle length: 8 pcs (30mm/1.18 inch, 50mm/1.96 inch, 70mm/2.75 inch, 100mm/3.93 inch)Wheels:4pcs(outer diameter 30mm/1.18 inch, inner hole 2mm/0.07 inch)Weight:58.2gMost gear is 2mm aperture.
