Hi guys....This is my first time here n really need help.....I m trying to built the Onyx 29.....got everything in ok but the rear sprocket that came with the kit...I can't center it.....anyone know where I can get the ADAPTER, I was told that the bike have too many spokes can't center it...pls. help....I hope I did explain enough that y'all understand my problem....Thanks...Jasonhttp://motorbicycling.com/images/smilies/flg.gif