just cus i said i was starting a new one doesnt mean im gonna abondon this one. i simply enjoye building a fixie so i want to get starte on a new one. since it appears i cnt do anything about this one im just calling it done.. thats all. but im probably just gonna end up buying a half link chain. or try using different cogs... so yeahh. im not calling quits. i will be starting a new one tho. & i deff dnt wanna use a chain tensioner because it wuld make it look really lame. thanks to everyone who helped me bigg tho! i really appreciate it!(: