Where can i buy bmx bike handle grips for my diamond back bike?

The most expensive one you can afford. Bare minimum requirement: 100% chromoly frame and fork.

most of the cheaper easterns run 25/9 or you can try a freeagent

I have one of these, and so far it's been a good helmet. It's heavy, and doesn't ventilate very well ( not huge issues, for me), but I really like the fact that it can take multiple ...

kind of hard to school but ok, stunts dependes, slow but u can build up, i used to mountain bike to school, fast ,easy to ride, suspension lets it jump and drop really well. Now I walk its a little...

No. But one of their riders has his own company: Sunday. Their frames are the best you can buy, and have a lifetime warranty against bending/breaking.

all you need are axle wrenches there should be a nut and a cone take them of you old axle and put them on you new one.get some extra axles.

Albes Empire BMX Flatlandfuel BMXTest

Most all bike shops will have everything you are looking for. Check out the closest one's to you.