For hobbyists chasing cleaner acceleration, the XRAY 305987 Narrow Pinion Gear is forged from high-grade aircraft duraluminum to lower rotating mass. It saves roughly 25% in weight versus standard pinions and its slim profile is 1.5mm narrower than typical designs, helping the drivetrain respond quicker on acceleration.
Produced on a modified precision gear machine, each pinion is held to tight tolerances for excellent concentricity. After cutting, all edges receive chamfering, the gears are given a controlled run-in, and a hardcoat layer is applied to improve durability while maintaining smooth engagement with mating spur gears.
The XRAY 305987 is compatible with many spur gear options and pairs particularly well with XRAY spur gears to reduce gear noise. It is a direct-fit upgrade for many setups and offers reliable performance once mesh is correctly set.
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