The fast gear set, the item ratio are: 33/21, 35/21. The very first gear are 37/21, it's going to be more fast in comparison with initial gear ratio environment. 1st environment, pinion gear ratio are 16, 18 and 20T, usage with 35T spur gear, pinion gear ratio are modification 18, 20 and 22T, become utilized with 33T spur gear, pinion gear ratio are 20, 22 and 24T. Fast gear set offer a greater cost the m-chassis.