This Delrin main gear is engineered to provide a stable gear interface for the HPI Savage 21, using material choice and geometry aimed at reducing wear while preserving smooth torque transfer. The 53-tooth form factor is chosen to balance load handling and mesh stability, making it appropriate for both repair and targeted upgrade scenarios where dependable drivetrain behavior is required.
HPI Savage 21 Delrin Main Gear (53T) -1pc - GPM DSAV1053T