48 Pitch Aluminum Pinion Gear Set 9751 For RC Trucks And RVs Fits 540 And 550 Size Motors 1/8 Inch Output Shaft Includes Four Set Screws Built For High Torque And Smooth Power Transfer In Your RC Rig

High-Strength 48 Pitch Aluminum Pinion Gear for RC Trucks
✔️ Single gear set for 540/550 motors with a 1/8 inch shaft (3.175 mm)

Designed as a lightweight, high-torque pinion gear for RC vehicles, this 48 pitch aluminum gear is intended for 540 and 550 size motors. It’s a common upgrade for RC trucks and crawlers to improve power transfer and drivetrain efficiency.

✅ Works with most 540 & 550 size motors
✅ Fits motors with a 1/8" output shaft (3.175 mm)
✅ Constructed from lightweight aluminum
✅ 48 Pitch gears
✅ Includes 4 set screws

💡 What is a pinion gear used for in RC gear trains? A pinion gear transfers motor rotation to the drivetrain by meshing with a spur gear, enabling torque transfer and speed control. - meshes with spur gear for power transfer - fits 1/8 inch shaft (3.175 mm) - aluminum construction keeps weight down and heat managed