This Delrin spur gear is a direct-fit scale accessory designed for use on Traxxas Revo models. Manufactured by 3Racing as RE-027, the 35-tooth spur serves the core role of transmitting rotation from the pinion to the drivetrain without adding electrical or motor functions. The Delrin material offers a balance of wear resistance and lower friction compared with basic plastics, making it suitable for routine maintenance and light tuning adjustments.
Installation is a mechanical swap of the existing spur gear: remove the gearbox or access cover per your model's service procedure, remove the old spur gear from the shaft, inspect the gear mesh and alignment points, then fit the 3Racing 35T Delrin spur ensuring concentric seating and correct mesh with the pinion. Because fit depends on the chassis mounting pattern and pinion engagement, verify tooth count and mounting interface before installing.
In tuning terms, a 35T spur changes the overall gear ratio relative to your current spur and pinion combination. Use it to fine-tune acceleration versus top speed characteristics by matching it to the pinion tooth count you run, while monitoring mesh and drivetrain preload to avoid premature wear.
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