Tamiya 51423 FF-03 68T Spur Gear SP-1423 - Precision Replacement for RC Tuning  [51423]

Upgrade the FF-03 Drivetrain with a 68T Spur

The Tamiya 51423 - RC FF03 06 Spur Gear - 68T is produced for the FF-03 chassis and gives a reliable way to tweak drivetrain ratios. Use this spur to adjust your car's balance between acceleration and top speed depending on track layout and battery setup.

Dial In Gear Ratios for Track Use

The 68T spur pairs with a range of pinion gears so you can prioritise torque or top speed as needed. Below are common pinion pairings and the resulting ratios:

• Pinion 18: Gear Ratio 9.82
• Pinion 19: Gear Ratio 9.31
• Pinion 20: Gear Ratio 8.84
• Pinion 21: Gear Ratio 8.42
• Pinion 22: Gear Ratio 8.04
• Pinion 23: Gear Ratio 7.69
• Pinion 24: Gear Ratio 7.37
• Pinion 25: Gear Ratio 7.07
• Pinion 26: Gear Ratio 6.80
• Pinion 27: Gear Ratio 6.55
• Pinion 28: Gear Ratio 6.31
• Pinion 29: Gear Ratio 6.10

Fitting Advice and Routine Care

When fitting the Tamiya 68T spur gear check the pinion mesh and set a small amount of backlash to prevent premature wear. Regularly inspect gear teeth and bearings and clean debris to keep the drivetrain running smoothly.