FIXIE COG INSTALL #3

[postlink]https://fixietube.blogspot.com/2011/06/fixie-cog-install-3.html[/postlink]http://www.youtube.com/watch?v=RnskgFw6hPcendofvid [starttext] How to install a cog on your fixie or track bike. FREE SHIPPING on cogs and lock ring sets 13T 14T 15T and 16T[endtext]