Bunky.F.Knuckle
150cc
29x10 is too small for that 150.  It is more of a 120cc prop.  If I had a spare one, I would sell it to you.  I tried digging up the weight for the 31x10W last nite, and come up empty handed.  Try a 30x12 or 32x10.  Those are the other 2 best props for a DA150.