What is the size i should get for my BMX bike?

Well I'm beginning BMX and I found a nice bike for 125. I wanna get new tires but idk what size to get for front and back. Any help?

i have a 39t sprocket and dont know what size i should get although i want a smaller sprocket does any1 no what size i should get for a 1/8 chain

i have a haro bike without a crank and sprocket. originally i thought that all cranks were the same size and when i tried to put a crank on my haro the crank i had was too small. i ...show more

Im 12 and im going to get a bmx bike im woundering wut should be the size.

I amm 100 pounds and 5 feet. I want to get a fit bike but i dont know how to determine if its weight, size, ect. is right from me. Also suggest some other bikes to that would fit me if you want.

should i get a 20 inch bike or a 24 inch bike. i'm 5'5 and 115 pounds.

Ok my friend is selling his bmx bike for 40 dollars. i dont have much money, so im thinking about buying it. He says its 16". Im pretty sure that means top tube length, but im ...show more

i dont understand. i want to get the g-sport plegs (http://www.danscomp.com/518190.php?cat=PARTS) but it says that there is two different sizes..i dont know what i should buy. could ...show more