Associated RC18T 55T Alloy Main Gear by GPM AR055T  [AR055T]

Alloy main gear for RC18T

This is an RC-scale 55T alloy main gear produced for Associated RC18T applications, sold as 1pc. It is an aftermarket replacement spur designed to fit the RC18T drivetrain and to be used where a direct-replacement 55-tooth gear is required.

The part is aluminium alloy, intended to replace the stock spur gear without modifying the gearbox. When installing, verify pinion-to-spur mesh and clearance with existing bearings and motor mount, secure the gear using the original hex screws, and check free rotation before running.

From a tuning perspective, swapping the spur gear is a straightforward way to adjust final drive ratio and influence acceleration versus top speed on track or practice sessions. Use consistent checks on mesh and secure mounting after any change to avoid premature wear.