The XRAY 305977 Narrow Pinion Gear is manufactured from premium aircraft duraluminum to give racers a lighter gearing option. At 1.5mm thinner and 25% lighter than a standard pinion, it helps reduce rotational mass and improve overall drivetrain efficiency.
Made on XRAY's specially-modified precision gear machine, each gear meets strict concentricity standards. All edges receive chamfers and the component is hard-coated to enhance wear resistance while maintaining shape under stress.
Designed to mesh cleanly with spur gears, the narrow pinion reduces throttle on/off noise and pairs especially well with XRAY spur sets for a quieter, smoother drive. It arrives ready to install for track or club use.
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