The XRAY 305923 Narrow Pinion Gear is a focused upgrade for racers aiming to trim rotating mass on the T4 2017 platform. Constructed from aircraft-grade duraluminum, this slim-profile pinion is 1.5mm thinner and about 25% lighter than common alternatives, helping improve responsiveness without sacrificing strength.
Machined on a dedicated gear cutter with tight tolerances, this XRAY narrow pinion delivers superior concentricity. Every unit receives chamfered edges and a durable hard coating to resist wear and keep tooth geometry stable during extended running.
Engineered to mesh with a wide range of spur gears, this narrow pinion performs particularly well with XRAY spur gears and helps lower throttle noise for cleaner throttle transitions and less drivetrain rattle.
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