Yeah Racing High Precision Gyro GC301 For RC Drift F1 Car #GC301 For: 1/10 RC Drift/ F1 Car Make corrective steering adjustment for RC cars GC301 gyro allows you to drive the RC car toward a given direction and taking precision turns at high speeds more manageable, more controllable and more stability. Remote gain function You can adjust gain from the transmitter CH3 by using the remote gain function. Gain can also be adjusted with the trimmer on the GC301.