MST RMX-M Aluminum Upper Arm Set (Red) (2) USB Programming Kit High-quality aluminum construction

High-quality aluminum construction

conveniently pre-mounted to our Mini Holcomb Black Internal Bead-Loc 1

mounted to FireSickle drift tires - an ultra low-profile

You can limit the rig's maximum speed to 50% or 75% until you’re comfortable driving at full power

These optional beadlock rims are intended for 1/24 and 1/18 Scale rock crawlers to enhance scale realism

MST RMX-M Aluminum Upper Arm Set (Red) (2) USB Programming Kit High-quality aluminum constructionUpper Arm Overview: Max Speed Technologies RMX M Aluminum Upper Arm Set. This is an optional upper arm set intended for the MST RMX M Drift Chassis. About the Upper Arm Set Advantage This upper arm set offers precise adjustability, allowing you to fine tune caster and camber. Optimize your drift chassis for maximum control and flickability. Features: High quality aluminum construction Wide range of tuning adjustments Increases caster adjustment window