Customer Review: The first thing you should be aware of is that the packaging on this product states that you should tighten them to 7 N-m (newton-meters). That is 5.2 pound-feet, or "not very tight." I did not have access to a torque wrench when I first installed these, so I simply installed them at what... more info
Customer Review: I know what you're thinking; a track cog is a track cog. Not so! This is the world-famous Dura-Ace by Shimano. It's round, it has 13 teeth and it threads onto a hub like a lightbulb screws into its socket, only in reverse. I put this little beauty on my track bike paired with a 53T ring and mashed... more info
