Posted on 1st, May 2011 about Plasma Chain Device
this chainguide is a piece of crap. it was a pain in the ass to install, made even more difficult becuase there were no instructions, and when i did get it set up correctly it proceeded to drop chains almost every ride. after 2 months the top plate snapped and the bottom roller plates separated. it currently either lets slack chain through and jams, or jams the chain between the top plate and the chainring almost every run down the hill. unfortunatley an angry review will give me neither a refund nor a functioning chainguide. i now refer to the guide as 'bob marley' as it is always jamming. im going to e*13.