my demo doesn't have any noticeable wobble
i tighten finger tight on both sides (as tight as i can do it) and then use a wrench and allen key and tighten each side an 1/8 turn and it works out fine
might want to re pack it with grease as well
refs: hookjrclc, hardbmxtim, hatchmoses for sale and trade, kymike for sale and trade, blizzbikes for trade, and some other dude i cant remember his username, vrsapat956, colonydirt94, mario.villegas90, wolfen
Camera Setup: Panasonic HMC150, Panasonic GH2, Canon FTBn, Yashica Lynx 5000e, Canon 28mm f/2.8, Canon 50mm f1.4, Rokinon 7.5mm f/3.5