These optional high speed gears will increase the speed of the RS700, doing so will also slightly decrease the torque output.
High speed gear specs...
Speed - 0.18 @ 8.4v
Torque - 420oz @ 8.4v
Speed - 0.11 @ 12.6v
Torque - 640oz @ 12.6v
Speed - 0.09 @16.8v
Torque - 800oz @ 16.8v
Damage caused by self installation voids warranty