Aluminum Pro Pinion Gear 1/8" Bore 48P 39T (RRP1339)

The Aluminum Pro Pinion Gear is a precision 39-tooth, 48P pinion with a 1/8" bore, designed to fine‑tune RC car gearing for smoother power delivery and optimized acceleration and top speed. It’s well suited for on‑road setups and capable of handling light off‑road use.

Machined from aircraft-grade aluminum and lightened for performance, this pinion is double-coated with a hard black anodize for durability. It’s stamped with its tooth count and includes a 5-40 set screw for secure installation on compatible spur gears.