11-speed E-tube Di2 compatible. Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts. Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting.
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Ultegra Shadow design rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiency. Wide outer link plates increase pivot joint rigidity to reduce shifting deflection.
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Product Condition: Brand New in Retail Package; Free Standard Shipping!! Product Description: Shimano has given the Ultegra 11spd an updated design that utilizes all the new features of the new dura Ace 9100 series at an affordable price. The Shimano Ultegra RD-R8000 Rear Derailleur uses Shimano’s SHADOW RD low profile design, which reduces crash vulnerability while providing a sleek integrated appearance. There's two options available depending on the gear range you plan on using, for example the RD-SS covers 11-25T to 11-30T and the RD-GS covers 11-28T to 11-34T cassettes.
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Group: Ultegra. Gear rear: 11-speed. teeth small sprocket: 12T. teeth small sprocket: 11T. Gear front: 2-speed. Front Difference: 16T. Material: Aluminum/ CFRP.
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Di2 E-Tube Electronic Shifting. System communication with front derailleur. SHIMANO SHADOW RD. SHIMANO Synchronized Shift. Maximum Front Tooth Difference: 16T. Race endurance. Optimized slant angle.
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