The Shimano Ultegra SL 10 speed GS Rear Derailleur, long cage shaves off several grams from the original Ultegra rear derailleur and has new ice grey finsh. Like the originals, the Shimano Ultegra SL 10 speed GS Rear Derailleur, long cage delivers precise, reliable shifting with a light touch of the levers. It uses the advanced Wide Link design for better rigidity and less flex, providing faster and more accurate shifts. The Shimano Ultegra SL 10 speed GS Rear Derailleur, long cage is light and durable making it perfect for top level triathlon and road use. OneTri is one of the premier retailers for the Shimano Ultegra SL 10 speed GS Rear Derailleur, long cage.
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