Posts : 531 Seller Positive Feedback : 10 Reputation : 41 Join date : 2010-03-07 Age : 36 Location : California
Subject: Shimano Dura-ace 16 cog 3/14/2010, 9:40 am
I compared this cog to another cog that was half the price. You can easily tell the different in material and durability. I love it on my bike so far. Ill never go back
Subject: Shimano Dura-ace 16 cog 
3/14/2010, 9:40 am