Overview
RJX 25T servo horn arm steering arms for Traxxas TRX-4 / TRX4 and other 1/10 RC cars (Big Foot, climbing, drift). Available in Black / Blue / Red.
Key Features
- 25T servo horn arm design
- Markings shown: M2 (set screw) and M3 (arm holes)
- Dimension markings shown: 28 mm, 20 mm, 15.5 mm, 11 mm, 6 mm
Specifications
| Item name | 25T Servo Horn Arm |
| Color options | Black / Blue / Red |
| Fitment (stated) | Traxxas TRX-4 / TRX4; for 1/10 Big Foot / Climbing / Drift RC Car |
| Thread markings shown | M2, M3 |
| Dimension markings shown | 28 mm; 20 mm; 15.5 mm; 11 mm; 6 mm |
What’s Included
- 3 x 25T Servo Arm
- 1 x M2*8 Screws
Applications
- Steering linkage/servo horn replacement for Traxxas TRX-4 / TRX4 RC crawler truck builds and maintenance
- General 1/10 RC car setups (Big Foot, climbing, drift)
For compatibility questions before ordering, contact support at https://rcdrone.top/ or support@rcdrone.top.
Details

This 25T aluminum servo horn steering arm uses an M2 set screw and dual M3 holes to connect linkages with a 28mm reach.
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