XRAY RX8 20T 2-Speed Belt Pulley Hard-Coated 7075 by Arrowmax AM-RX8-345820  [AM-RX8-345820]

RX8 two-speed pulley upgrade

This RC-scale 20T 2-speed belt pulley is made for XRAY RX8 two-speed systems and supplied by Arrowmax as model AM-RX8-345820. CNC machined from 7075 T6 aluminium and finished with a hard coating, the part cuts mass while adding surface durability for repeated track use. The drilled side holes are placed to eject debris created by belt contact, helping prevent buildup that can disrupt shift repeatability.

In a standard RX8 two-speed layout the pulley acts as a tuning piece for final drive, altering shift points and the drivetrain's response. Precision machining delivers tight concentricity for smoother belt tracking and reliable engagement at high RPMs. Fit this pulley when replacing a worn unit or when you need finer control over an RX8 transmission setup.