Aluminum radio plate mounts allow more solid radio plate mounting, and minmise the opportunity of stripped threads. Newly-updated alu seems allow small throttle servo become mounted under the radio meal, along with the center gear become more precisely tensioned. The remaining alu stay allows more tighter gear anxiety modification. Ultra-strong construction provides extended life and durability in probably the many extreme racing conditions. CNC-machined from premium Swiss 7075 T6 aluminum. Set of 2 pieces (left & right).