48 Pitch 37T Silent Speed Machined Pinion Gear (JCO2123)

The Silent Speed 48P 37-Tooth Machined Pinion Gear is a precision aluminum pinion designed for 48-pitch RC transmissions. It engages the spur gear to set gearing, control speed, and shape the vehicle’s sound, delivering a consistent mesh for reliable, track-ready performance.

Machined from aluminum for durability and true concentricity, this pinion provides a smooth, predictable gear mesh for easier tuning. It features a durable 3mm set screw that accepts a 1.5mm hex wrench and is laser-etched to clearly indicate its size whether installed or off the vehicle. Available in tooth counts from 18 to 38, it supports a wide range of 48-pitch configurations and helps maintain quieter, more controlled operation on the track.