3Racing made Tamiya Fast Gear Set02 (M05)
The fast gear set, the device ratio are: 33/21, 35/21. The original gear are 37/21, it'll be more fast compared to original gear ratio environment. For the initial environment, pinion gear ratio are 16, 18 and 20T, use with 35T spur gear, pinion gear ratio are modification 18, 20 and 22T, to be used with 33T spur gear, pinion gear ratio are 20, 22 and 24T. Fast gear set offer an increased rate the m-chassis.
