MST MRX GT/RMX EX GT THA Rear Arm Set

THA Rear Arm Overview:

MST MRX GT and RMX EX GT THA Rear Arm Set. This replacement set is intended for the MST MRX GT and RMX EX GT platforms, but can also be a great upgrade for other drift MST platforms.

Includes:

• (1) THA Rear Arm Set

This product was added to our catalog on May 20, 2025

• MST FMX 2.0
• MST FRX
• MST FXX 2.0 S
• MST FXX-D
• MST MRX
• MST RMX 2.0 S
• MST RMX 2.5