The XRAY 305924 Narrow Pinion is machined from high quality aircraft duraluminum to cut weight without losing strength. Being about 1.5mm slimmer and around 25% lighter than standard pinions, it helps reduce rotating inertia for crisper throttle response.
Produced on a customised precision gear machine, this pinion meets strict concentricity standards. Edges are chamfered and run-in during production, followed by a protective hardcoat layer to improve durability and keep teeth profiles stable.
This narrow pinion works well with most spur gears and shows particular synergy with XRAY spur sets, lowering the audible clicking on throttle transitions and promoting a cleaner power transfer.
Delivered ready for installation, the XRAY 305924 needs minimal prep so you can set gear mesh and head to track or practice. It suits drivers aiming for reliable, low mass drivetrain parts.
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