The wait is almost over — MST is proud to announce the upcoming launch of the next-generation RMX: the RMX 4
Built on today’s mainstream RWD design, the all-new RMX 4 by MST blends proven layout with bold innovation — ready to meet the demands of all skill levels.





Key Features of the MST RMX 2.5 RS Chassis:
- Three Adjustable Wheelbase Options (257 / 266 / 275mm) for versatile body compatibility.
- Innovative Subframe Design enables quick and easy removal of the rear suspension system.
- New Short Rear Suspension Arms enhance lateral weight transfer for improved stability and control.
- Quick-Release Gearbox Design for simplified maintenance and differential access.
- S PRO version includes a Gear Differential as standard.
- Anti-Torque 4-Gear Transmission included; easily convertible to a standard 3-gear layout for torque-positive setup.
- Triple-Level Adjustable Motor Position to fine-tune chassis balance and center of gravity.
- Torsion-Type Dual Vertical Deck Layout improves longitudinal rigidity while maintaining optimal lateral flex.
- Floating Servo Mount Design prevents interference between servo and chassis flex during cornering.
- New Steering Arm System with fine Ackermann adjustment and built-in 3° caster angle to reduce steering pump.
- All-New ATK V3 Knuckle Set optimized for large steering angles; 0° trail for fast initial response, wide throw for maximum drift angle.
- Lightweight One-Piece Front Bulkhead Assembly for simple and efficient installation.
- New Front Upper & Lower Arms with simplified installation and dual-position caster adjustment.
- Bullhorn-Style Shock Towers at both front and rear allow for infinitely adjustable shock angles.
- S PRO version includes a Servo Saver Damper for advanced protection and extended servo life.
- TR56 Aluminum Oil Dampers + New Progressive DK Short Springs included in S PRO version.
- Lightweight Quick-Release Battery Mount supports both standard and low-profile shorty LiPos.
- *** All Plastic Components Made of Glass-Filled Nylon material for maximum durability and rigidity.
SPECIFICATIONS
- Scale: 1/10 MR Drift Car Kit
- Adjustable Wheelbase: 257 / 266 / 275mm (adjustable +3mm / -1mm)
- Hex-to-Hex Width: Front 182mm / Rear 172mm
- Drive Mode: Mid Rear (MR)
- Caster Angle: Adjustable between 5.5° / 7°
- Camber Angle: 9.1°
- Full Ball Bearings
- TR56 Aluminum Hydraulic Damper Set (included)







