Join Date: Jul 2003
Location: Norfolk, England
Bikes: Orbea Enol roadie, Fly Micromachine BMX, Fort Track fixed
Standard Hand Grenades are the best street/flat pegs ever. They're nice and big (comfy) but made of steel so they won't disintegrate when you grind. Don't bother with threaded pegs; there's a reason no-one uses them anymore, they suck.
As for 10mm axles, they should be OK to start off with, but when you break them (you will if you grind alot), get a Standard or Kink heat treated axle. They're nearly as strong as regular 14mm axles. Of course if you have the money, a frame and fork with 14mm dropouts and some 14mm hubs would be better.