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View compareFrequently Asked Questions
- Q: What material is the GoolRC motor pinion gear made of? A: The GoolRC motor pinion gear is made of high-quality aluminum 7075. This material is known for its strength and durability, making it suitable for high-performance applications.
- Q: What sizes are available for the pinion gears? A: The pinion gears are available in five sizes: sixteen teeth, seventeen teeth, eighteen teeth, nineteen teeth, and twenty teeth. Each size has specific dimensions to fit various motor configurations.
- Q: What is the diametral pitch of the gears? A: The diametral pitch of the GoolRC pinion gears is forty-eight DP. This specification helps determine the teeth spacing and gear compatibility in RC applications.
- Q: How do I install the GoolRC pinion gear on my RC car? A: To install the GoolRC pinion gear, align it with the motor shaft and secure it using the included M3 set screw. Ensure it fits snugly to avoid slippage during operation.
- Q: Are these gears suitable for brushed and brushless motors? A: Yes, these gears are designed to be compatible with both brushed and brushless motors. This versatility makes them ideal for a variety of RC car setups.
- Q: What are the dimensions of the pinion gears? A: The dimensions vary by size: the sixteen tooth is nine point four millimeters in diameter, while the twenty tooth is eleven point six millimeters. Each size has a specific diameter and height.
- Q: How do I clean and maintain the pinion gears? A: To clean the pinion gears, use a soft cloth and mild cleaner. Avoid abrasive materials that can scratch the surface, and ensure they are dry before reinstallation.
- Q: Is there a warranty on the GoolRC pinion gears? A: Yes, GoolRC typically offers a warranty on their products. Please check with the retailer for specific warranty details and conditions.
- Q: What if the pinion gear arrives damaged? A: If the pinion gear arrives damaged, contact the seller immediately for a replacement or refund. Ensure to provide photos of the damage for a smoother resolution.
- Q: Can beginners use these pinion gears in their RC cars? A: Yes, beginners can use these pinion gears. They are designed for easy installation and compatibility, making them suitable for users at any experience level.
- Q: What is the total weight of the pinion gear package? A: The total weight of the pinion gear package is thirteen grams. This lightweight design contributes to the overall performance of your RC car.
- Q: How many pieces are included in the package? A: The package includes five pieces of pinion gears, providing options for customization and gear ratio adjustments in your RC setup.
- Q: Are these gears hard anodized? A: Yes, the gear surfaces are hard anodized, which enhances durability and resistance to wear. This feature is particularly beneficial for high-performance applications.
- Q: What is the shaft diameter compatibility? A: The pinion gears are suitable for a shaft diameter of three point one seven five millimeters. Ensure your motor's shaft matches this size for proper installation.
- Q: Are there any specific safety precautions I should take? A: Yes, always ensure that the gear is securely attached before operating your RC car. Additionally, keep small parts away from children to prevent choking hazards.

