Gearwheel ratio

hey guys, can anyone explain to me the difference between gearwheel with 33,34,35,36 and 37 cogs?

which has faster top end?

Hi Bro! of course 33cogs gearwheel......the most powerful top end, if the engine setting is same and the difference only at gearwheel

bro, how can i achieve the top speed with 33 teeth? i need so much power to push the rpm up. any recommendation? any parts that i can install for power up?