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The Ultegra 11 crankset features a new 4 arm spider that accepts chainrings for either compact or racing drivetrains.
Below is a close up of the new Ultegra 11 Rear Derailleur. An option on Ultegra 11 is a longer cage derailleur, which allows for the use of an 11/32 cassette. For those riders who have been using road triple drivetrains, this will allow for similar gearing options when coupled with with compact gearing up front. The added benefit of this option is an increase in shifting simplicity over road triple options.
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The Hy/Rd front caliper-the cable is routed internally through the fork and the caliper is cable-actuated with the hydraulic reservoir incorporated into the caliper itself