Originally Posted by
jimc101
For durability, at Dura Ace / XTR level, have found these to be no less durable than any other, they may cost more initially, but when you come to upgrade, they also hold their value better than the lower end parts, which can off set the initial cost.
+1 Over the last 12 years I have not found D-A or Record titanium cogs to wear any faster than Ultegra or Chorus. Whether or not the titanium is worth more than steel is entirely up to the rider.