The HUDY 294027 aluminium ULTRA-LIGHT pinion is engineered for R/C drivetrains where reduced rotating mass improves responsiveness while keeping sufficient strength for reliable operation. It is machined from 7075 T6 aluminium and finished with a hard coat to balance lightness and wear resistance for both electric and nitro R/C cars.
Precision tooth shaping is performed on a dedicated gear cutting machine to deliver true running and low vibration under load. The pinion uses fine internal threading for simple attachment to standard motor pinion hubs, and each piece is etched with the tooth count for quick identification during setup and tune changes.
As a tuning item, altering the pinion tooth count changes the final drive ratio: fewer teeth favour brisk acceleration, while more teeth lift top speed. Combine it with the spur gear to dial in acceleration versus top-end performance for track sessions or practice.
For racers and hobbyists chasing lower rotating inertia without compromising longevity, this HUDY pinion delivers a precise, hard coated aluminium option for drivetrain tuning.
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