 | Shimano Ultegra FH-6600 10-spd Hub - Rear Compatible with both 9 and 10 speed cassettes the new Ultegra rear hub is designed for true performance and longevity. Stiffer spoke flanges, lightweight durable steel freehub body. Shimano 10 speed compatible. Wt.: 347g. Sku: 20492 |
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 | Shimano Dura-Ace FH-7800 10-spd Hub - Rear Designed to combat flex and supply more power to the rear drive, the Dura-Ace rear hub incorporates an oversized hub body, stiffer spoke flanges and an oversized 15-mm axle with a durable, lightweight aluminum freehub body. All in all, the Dura-Ace rear hub increases stiffness while maintaining speed and power to the drivetrain. Shimano® 10 speed compatible only. Manufacturer: "Shimano" - Sku: 17635 |
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 | Shimano Dura-Ace HB-7800 10-spd Hub - Front Designed to combat the flex created in today's carbon forks, the Dura-Ace front hub incorporates an oversized hubs body, stiffer spoke flanges and an oversized 15-mm axle. All in all, the Dura-Ace front hub increases cornering stiffness, while maintaining speed, thanks to fast rolling low friction bearing races. Manufacturer: "Shimano" - Sku: 17636 |
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 | Shimano Ultegra HB-6600 10-spd Hub - Front The new Ultegra hub is designed for true performance and longevity. Stiffer spoke flanges (radial-lacing compatible). Labyrinth and contact seals mean less maintainance and more time riding. Wt.: 140g. Sku: 20493 |
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