If you want a reliable upgrade, the XRAY 305990 Narrow Pinion Gear is engineered for accuracy. Cut on dedicated gear machines, it offers excellent concentricity and long lasting performance. The chamfered tooth profiles and hard coating reduce edge wear and keep the mesh stable over time.
The pinion is machined from aircraft-grade duraluminum and is 1.5mm thinner, yielding about 25 percent less weight than common alternatives. That lighter profile helps with throttle response while remaining compatible with many spur gear options.
Designed to pair with XRAY spur gears, this narrow pinion reduces abrupt throttle noise and gives smoother engagement. Its construction is intended to withstand intense running while keeping gear alignment consistent.
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