SHIMANO DURA-ACE RD-7800 REAR DERAILLEUR

The new 7800 Dura-Ace rear derailleur features a new, wider outer link, increasing rigidity which yields better shifting. The newdesign saves 15 grams over the older Dura-Ace rear derailleur. It features acold-forged aluminum body and 11 tooth pulleys alternate contact with chainlinks, reducing wear and friction. The pulley wheels spin on sealed cartridgebearings. “It shifts like a brand new derailleur, even after5000 miles, ” is how one pro-racer described it. And it’s true. Thereduced flex not only creates a more solid shifting system, it stays solid alot longer. Looking to upgrade bit by bit to the new Dura-Ace? Thisnew rear derailleur is a good place to start - it's compatible with the new10 speed cassette cogs, as well as the 9 speed gear you already have. Weight: 180 grams Compatibility: Shimano 10 or 9 speed drivetrains Feature: New wide link design