48-Pitch Metal Pinion Gear Set for ECX 2WD 110 Scale RC Hobby Cars, M3 Threads, 17T18T19T20T21T, High-Hardness Pinion Motor Gears for 110 Scale RC

This is a perfect RC gear set, compatible with the ECX 2WD 1/10 RC hobby car. Made of high-quality materials with high hardness, solidity, and rust resistance. Advanced simulation can improve the reliability and performance of remote control vehicles. The surface is rust-resistant, reduces unnecessary energy loss, and is easy to use. The M3 screws prevent slippage and make assembly easy, making them especially suitable for RC cars.