Did you look at my bike i got a kit from misfitpsycles good guy's
http://www.misfitpsycles.com/catalog...hp/cPath/25_38
I broke my chain tensioner twice so i got the Rennen Rollenlager witch
worked great but is expencive.If you find the magic gear like i did 44-16
you mAy not need one. give that guy a call to find out, he's local.
Urbane probably has it as well now that i think of it?
Cheers