XRAY RX8 18T Pinion Gear by Arrowmax AM-RX8-348518  [AM-RX8-348518]

Pinion gear for XRAY RX8

This Arrowmax AM-RX8-348518 18T pinion gear is an RC-scale motor pinion engineered for the XRAY RX8 chassis. Machined from 7075-T6 aluminium and treated with a hard coating, it is specified to work as a drop-in choice where RX8-compatible pinions are required.

In practical use it serves to change final drive ratio and tune motor load without altering the spur gear. The hard-coated 7075 alloy offers a balance of reduced mass and surface wear resistance, while the tooth profile is intended to mesh cleanly with RX8 spur gears when correct mesh is set.

Available tooth counts listed for this Arrowmax line include 16T, 17T, 18T, 19T, 20T and 21T, allowing stepwise changes to gearing. When swapping pinions on an RX8, confirm shaft fit and watch mesh clearance under full suspension droop and steering movement to avoid premature wear.