Odyssey released the Tom Dugan Stem a few days ago. It could be a good option for your street-flat setup. The shorter version comes with 45mm reach and weighs 287 g = 0.63 lbs. The design is classic with 6 bolts. It's made of CNC machines 6061-T6 aluminium and is available in 4 colors. More photos and details are available in the parts section: Odyseey - Tom Dugan Stem