If you're looking for a nice and smooth topload stem, you should consider about the Alone BMX "Mans" Stem. 50mm reach and a CNC machined body are only some features that make the Alone BMX "Mans" Stem one awesome stem.
CNC'd From 6061 Aluminium.
Iternally Machined to save weight.
Stack Height 32mm.
Buy Alone Man's BMX Stem from Chain Reaction Cycles, the World’s Largest Online Bike Store.