KST X15-908 9.2kg Mini Cyclic ServoX15 908 is a high performance servo of the 15mm class. Due to its positioning speed of 0. 08s 60 and torque of 9. 2Kgf. cm at 8. 4 Volt, this servo is perfectly suitable for middle class helicopters, but also for planes, where power and a fast rudder reaction are required. It is perfect for helicopter team and competition pilots and for use in hard competitions. The housing is made of high quality aluminium alloy AI7075 with cooling fins and the gear