Shimano Ultegra Rear Derailleur - Rd-R8000 (11 Speed)

The Ultegra RD-R8000 rear derailleur by Shimano - Shadow profile protects against damage.

 

The Shimano Ultegra RD-R8000 11-speed rear derailleur now also uses the Shadow design, as was previously the case with Dura-Ace. This is an extremely flat profile which, combined with the more direct positioning, reduces the risk of damage and ensures clean, quiet shifting in all conditions. In addition, the direct mount compatibility results in a new mounting option. The Ultegra rear derailleur, which is mainly made of aluminium, is available in two versions: one with a short cage (SS type) for cassettes up to 11-30 and the second with a longer cage (GS type) for cassettes up to a gradation of 11-34. This means that you can cope well even on the steepest climbs.

Specifications:

Series:

Ultegra R8000

Application:

Road, Cyclocross

Gearing:

11-speed

Mount:

standard (Direct Mount compatible)

Capacity:

35 tooth (short), 39 tooth (long)

Compatibility:

Shimano Road 11-speed

Compatibility - Chains:

HG-EV 11-speed, HG-X11

Technical Information:

Derailleur Pulleys:

11-tooth

Outer Cage Material:

Aluminium

Inner Cage Material:

Aluminium

Other Materials:

aluminium, composite material (GFRP), stainless steel

Compatibility:

Shifter:

ST-R9100, ST-R9120, ST-9001, ST-9000, SL-BSR1, ST-R8000, ST-R8020, ST-R8025, ST-6800, ST-R7000, ST-R7020, ST-R7025, ST-5800, SL-RS700, ST-RS685, ST-RS505, ST-U5060, SL-U5000, ST-RX810, ST-RX600

Cassette:

CS-R9100, CS-9000, CS-6800, CS-5800, CS-R8000, CS-HG800-11, CS-R7000, CS-HG700-11

Chain:

CN-9000, CN-6800, CN-HG901-11, CN-HG701-11, CN-HG601-11, CN-LG500

Features:

• low profile Shimano Shadow RD design increases stability and reduces susceptibility to defects, provides compact appearance
• two cage lengths for a wide range of gears
• painted cage plates
• derailleur pulley bearings
• 4 pivot bushings, fluorine-coated

Technology:

Shadow RD
Shadow rear derailleurs from Shimano have a very flat profile, allowing for a more aggressive riding style by minimising the risk of getting stuck on obstacles. In addition, the single preload ensures that the rear derailleur does not hit the chain stay even on very uneven ground. All of this contributes to a quiet, clean-operating gearshift.

OT-RS900
For Dura-Ace RD-R9100, Ultegra RD-R8000, 105 RD-R7000 and other 11-speed road or gravel rear derailleurs, Shimano has developed the special OT-RS900 cable housing. It is less stiff than the conventional OT-SP41 housing and is therefore better suited to the tight curve where the cable is routed from the frame to the rear derailleur. Thanks to OT-RS900, problems with the barrel adjuster can be prevented and the rear wheel can be removed more easily. OT-RS900 is not intended for use on the shift/brake lever side.

Models:

short:

Cage Length:

SS

Max. Largest Sprocket Teeth:

30-tooth

Min. Largest Sprocket Teeth:

25-tooth

Max. Smallest Sprocket Teeth:

14-tooth

Min. Smallest Sprocket Teeth:

11-tooth

Max. Chainring Difference:

16-tooth

Total Capacity:

35-tooth

Manufacturer Number:

I-RDR8000SS

long:

Cage Length:

GS

Max. Largest Sprocket Teeth:

34-tooth

Min. Largest Sprocket Teeth:

28-tooth

Max. Smallest Sprocket Teeth:

12-tooth

Min. Smallest Sprocket Teeth:

11-tooth

Max. Chainring Difference:

16-tooth

Total Capacity:

39-tooth

Manufacturer Number:

I-RDR8000GS

Contents:

• 1 x Shimano Ultegra RD-R8000 rear derailleur
• 1 x Shimano OT-RS900 240 mm cable housing
• 1 x long nose end cap

 

Weight:

• black/short: 200 g
• black/long: 210 g

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