Shimano 2014 Ultegra 11 Speed Rear Bicycle Hub FH 6800

Ultegra has long been recognized as a solid performer and thanks to Shimanos Systems Engineering approach the 6700 series continues to deliver. Lighter, more stylish and advanced by the latest Dura Ace technologies, new Ultegra is a beautifully balanced group with optimal performance and specifications. Its unprecedented racing DNA takes shifting and braking to another level, with a with a weight reduction of 150g versus 6600 series.