 This is a optional HPI 48 Pitch, 67 Tooth Delrin Spur Gear, and is intended for use with the HPI Cup Racer family of vehicles. This spur gear allows owners to fine tune the gear ratio to specific track conditions. The
POM material provides a slick gear surface for high efficiency and
smooth gear mesh.
Effects of Spur Gear Changes
| Gear |
Effects |
| Larger Spur |
- Increased Acceleration
- Decreased top speed
- Use on Smaller Tracks for More Punch
- Use with Larger Clutchbell to get More Overall Torque, While Maintaining the Same Gear Ratio
|
| Smaller Spur |
- Decreases Acceleration, But Smoother
- Increases Top Speed
|
|
