hey guys,

i just got a trek 420 and absolutely love it!!! but it seems like the rims are a little bent and the tires are cracking just a little bit. i dont think the tires will pop and i dont think that a bent rim will break in half hahh. my questions are

1. where can you get rims online for a little cheaper? what are the differences in between expensive rims and cheaper rims?

2. where can i find tires with a lime green walls? what are the differences in between expensive rims and cheaper rims?

any help will be appreciated!
thanks,
james1612