Shimano Ultegra R8000 11 Speed Rear Derailleur

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Top Features:

  • Model Number : RD-R8000
  • Series : Ultegra
  • Maximum Sprocket : 34T
  • Minimum Sprocket : 11T
  • Maximum Front Difference : 16T
  • Average Weight : 210 g

Product Data

  • Rear Derailleur: Shimano Ultegra
  • Speed: 11 Speed
  • Commuter: Yes
  • Touring: Yes
  • Cyclocross: Yes
  • Time Trial: Yes
  • Road: Yes

Description

There are two specific rear derailleurs: one for cassettes 11-25 and 11-28T (SS short cage) and one for cassettes 11-28 and 11-34 (GS Medium cage), securing a smooth ride in even the highest and steepest mountain areas. Due to the integrated Shadow RD Technology with its race-proven, low profile design, the derailleur is more compact and fits closer to the frame, ensuring less damage in a crash.

Returns

We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.

Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.

Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy

Customer Reviews

Shimano Ultegra R8000 11 Speed Rear Derailleur is rated 4.8 out of 5 by 25.
Rated 5 out of 5 by from Exactly what you would expect from Shimano The Shimano Ultegra derailler is spot on and offers accurate crisp gear changes. Easy to set up with very little adjustments needed straight out of the box. Probably the best on the market at this price category. Delivery was fast and will use will use Wiggle as my go to when looking for parts for my bike builds.
Date published: 2020-10-13
Rated 4 out of 5 by from Ultegra R8000 Good quality and gret value for yiur money and no compromise in performance
Date published: 2020-06-08
Rated 5 out of 5 by from Replaced a 105 5800 rear derailleur which I snapped in half after I got a chain link caught. Went for the Ultegra as I am slowly upgrading my groupset piece by piece. First impressions were that out of the box it is considerably lighter than the 105. Once fitted and tested runs silently (with chain replacement) and shifts are noticeably easier and smoother. I chose the medium cage as it only weighs 10g more than the short cage but gives me the option of putting on bigger cassettes for adventure cycling/big mountains/lack of fitness ect. If you want a good value shifting performance upgrade then this should be your first port of call.
Date published: 2020-05-28
Rated 5 out of 5 by from It's a Shimano derailleur Like I said, I got it for a 11/32 cassette. Works perfectly and looks good. What's to review? Compared to the 6800 Ultegra class, the shifts are more clear so that's nice.
Date published: 2020-05-21
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Q & A

Does this come with a hanger?

Asked by: Whatchooriding
This will not be supplied with a derailleur hanger, these will be specific to the bike and not to the derailleur.
Answered by: WiggleJarrett
Date published: 2018-10-10

Would this be a direct swap for an 11 speed 6800 Ultegra derailleur?

Asked by: Red17TCR
Yes this would be a direct replacement
Answered by: WiggleChris
Date published: 2019-12-11

Shimano tend tobe conservative with the max recommended cassette it says max is 34 but will it take a 36???

also a 105 version of this is due out in june have you got a price point for this yet?
Asked by: bigpaul3142
We would suggest sticking with the recommended max of 34t on this. For stocking/prices of stock please contact us here: http://www.wiggle.co.uk/ContactUsForm
Answered by: WiggleJarrett
Date published: 2018-04-09

Will this work with 6800 shifters?

Asked by: Trickycycling
This will be suitable.
Answered by: WiggleKris
Date published: 2017-12-11

Will this derailleur work with 105 shifters

Asked by: Mousemike
Yes this will work with the new 105 shitfers.
Answered by: WiggleRickL
Date published: 2017-07-21

What is the best shimano gear recommended to use with this product for perfect shifting? Is it compatible with ultegra 6800 shifters?

Asked by: Obone
This would perform best paired with R8000 shifters. It is compatible with 6800 shifters.
Answered by: WiggleSteveM
Date published: 2018-01-23

About Pully Wheels

Does anybody knows how to face this pully wheels? There are arrows showing in one face. Should i face them outwards (twords me) or inwards (twords rear hub). I looked at some pictures but not helping... Thanks.
Asked by: Mocha
The arrows on the pulleys indicate the direction of rotation for the chain as it passes through the derailleur. More information can b found on page 25 of the following Shimano manual. http://si.shimano.com/pdfs/dm/DM-RARD001-02-ENG.pdf
Answered by: WiggleMJ
Date published: 2018-09-30

If using this derailleur and changing cassette fro 11-28 to 11-32 would I need to change chain lengths

Asked by: MylesDavidson
Yes you would indeed require a new chain if you change to this ratio.
Answered by: WiggleKingL
Date published: 2017-09-26

What Size R8000 rear mech is needed for a 52 chainring

Asked by: Dazfairs
This will depend on the size of your rear cassette. I would advise getting in contact with our product experts as we need a little more information from you in order to answer this. http://www.wiggle.co.uk/ContactUsForm
Answered by: WiggleMJ
Date published: 2018-09-20

Come with exterior cable?

Does this come with the exterior cable to connect the derailleur to the gear cable?
Asked by: Deano100
No, these are not supplied with cables or wires.
Answered by: WiggleDonatB
Date published: 2019-05-02
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