4.5" Aluminum Double Servo Arm (SPMSP3105)

The 4.5-inch aluminum double servo arm is built for Spektrum-equipped RC models, delivering a strong yet lightweight connection to your servos. Machined from aircraft-grade 7075-T6 aluminum and finished in black, it uses a 23T spline with a clamping design to prevent slipping and offers multiple M3 mounting holes for flexible installation.

Designed for durability in demanding setups, this servo arm combines high-strength construction with precise fitment to improve control response and resilience. The versatile size range accommodates a variety of RC applications, making it a reliable upgrade where a secure, slip-resistant link to the servo is essential.