Rated 5 out of 5 by Anonymous Although it's perhaps not clear from the picture, the roller has a cartridge bearing, comes with nicely plated mounting hardware and has an etched Blackspire logo on the outside. It is a very standard size and fits perfectly on an inexpensive Truvativ chainguide.
14 February 2011
Rated 4 out of 5 by Anonymous if its cheap, quiet and easy to use this is the one for you
16 October 2002