Quote:
Originally Posted by ST185RC
It's not as simple as that. When it comes to wheels and tires, it depends on what you want. If you want more road feel, you will want a shorter sidewall while increasing the rim diameter. This will give an overall more rigid wheel. Then you have people that want larger wheels just for looks.
Smaller wheel does not necessarily mean it's better for speed. A smaller wheel usually means lighter and less unsprung weight that the engine and brakes need to accelerate or decelerate. It could mean that it's quicker getting in and out of turns as it takes less effort for the engine to rotate the smaller mass. The lighter the wheel, the later you can brake (generally speaking) and carry more speed through a corner.
For rolling speed, a larger diameter wheel vs smaller diameter wheel, holding the sidewall height and total weight the same, the larger diameter wheel is faster based on the angular displacement for every revolution that the wheels turn, it's angular velocity. That is, for the same number of times the wheels rotate, the larger wheel will cover more distance in the same amount of time. This is assuming that the engine is doing the same output to move the wheel masses.
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Damn, lots of info there...very informative, thank you. But it only makes it harder for for me to reach a conclusion on what diameter to get lol