The Aerox aluminum servo arm is a metal offset arm designed for KO and Sanwa 23-tooth servo output shafts. It serves as a direct replacement or upgrade option for builds using compatible Schumacher platforms. The offset design provides precise linkage geometry for steering and throttle applications. The arm features multiple mounting holes along its length for adjustable linkage positioning. Features: Aluminum construction 23-tooth spline fits KO and Sanwa servos Offset arm design for geometry adjustment Multiple hole positions for linkage tuning Includes clamp-style collar with set screw 7/7/26 cs