In the wake of the success of the 11 Speed Dura Ace 9000 group, Shimano has recently revealed that the 11 Speed sensation was moving down the line to the more affordable Ultegra 6800 group. Upgrades on the Ultegra 6800 Hubs go beyond the addition of an extra speed! In order to bring the Ultegra tubeless wheels up to date with the new 11 speed suit, 6800 hubs have been updated with a new freehub that features a new cone digital adjustment system designed to diffuse quick release tension, reducing the load on the bearings to enable smoother spinning and increased durability. In place of the double lock system normally found on most cup and cone hubs is a ratcheting ring hidden under an end cap. To adjust it you simply remove the end cap with a 5mm allen, and rotate the ring to eliminate any play in the bearings.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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