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Shimano Dura Ace FD 7800 Front Derailleur Clamp On The wide pivot link design on the Shimano Dura Ace 7800 Front Derailleur boosts strength and rigidity. Flex is suppressed, creating sharp, precise shifts that are faster and smoother, even from low to high gears off of the saddle. The Shimano Dura Ace 7800 Front Derailleur features extra-wide pivot link increases rigidity while suppressing flex for improved shifting response, pivot location at cage moved to point of greatest force to reduce cage deflection, and narrower chain cage to accommodate 10-speed chain. |
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