Shimano Y3E998010 Ultegra RD-R8000/R8050 11-speed road rear derailleur pulleys

(59 reviews)

Pair for Ultegra RD-R8000 or R8050 and Grx RX800/RX805/RX812/RX817

EAN : 4524667762768 | Ref : 1856313

€13.99

Price : €23.99

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Based on 59 reviews

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Galets de dérailleur arrière route Shimano Y3E998010 Ultegra RD-R8000/R8050 11v

Shimano Y3E998010 Ultegra RD-R8000/R8050 11-speed road rear derailleur pulleys

More details In stock

Shimano Y3E998010 Ultegra RD-R8000/R8050 11-speed road rear derailleur pulleys

€13.99

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Give your derailleur a new lease of life by replacing worn rollers. This set of original rollers is designed for Shimano Ultegra RD-R8000 rear derailleurs.

Sylvain C.

Mechanical expert

Shimano s Y3E998010 are the genuine replacement pulleys for the Shimano Ultegra RD-R8000 mechanical and RD-R8050 Di2 11-speed rear derailleurs. This complete kit includes the guide pulley and tension pulley, designed to restore the precision and smoothness of gear changes when the original pulleys show signs of wear.

Shimano ’s Ultegra R8000 derailleur pulleys

Thanks to their sealed precision bearings and their specific Shimano profile, these pulleys ensure excellent chain guidance, minimise friction and help maintain the drivetrain’s original performance. They are the ideal solution for giving an 11-speed Ultegra groupset a new lease of life after several thousand kilometres.

Technical specifications

Brand: Shimano
Part number: Y3E998010
Type: rear derailleur pulley set
Contents: 1 guide pulley + 1 tension pulley
Number of teeth: 11 teeth per pulley
Bearings: sealed precision bearings
Main compatibility:
- Ultegra RD-R8000-SS / GS
- Ultegra Di2 RD-R8050-SS / GS
Additional compatibility:
- GRX RD-RX800 / RX805 / RX812 / RX817
- XT RD-M8000 / M8050 11-speed (depending on version)
Colour: black
Genuine part Shimano

Key features

Official Shimano part, guaranteeing perfect compatibility
Restores gear-change precision
Reduces transmission noise caused by wear
Sealed bearings for excellent durability
Low friction for improved performance
Compatible with several Shimano 11-speed derailleurs
Easy to fit during derailleur servicing

Frequently asked questions

Want to find out more?

Lorsque les dents deviennent pointues, que du jeu apparaît dans les roulements ou que la transmission devient plus bruyante. Shimano recommande généralement une vérification approfondie après plusieurs milliers de kilomètres.

Oui, ils sont spécifiquement conçus pour les dérailleurs Ultegra RD-R8050 Di2 ainsi que pour les versions mécaniques RD-R8000.

Le galet supérieur guide précisément la chaîne lors des changements de vitesses, tandis que le galet inférieur maintient la tension de chaîne. Ils ne sont pas interchangeables et sont identifiés lors du montage.

Oui. Des galets neufs réduisent les frottements, limitent le bruit de fonctionnement et améliorent la qualité du passage des vitesses.

Non. Shimano prévoit des références spécifiques pour chaque génération de dérailleur afin de garantir un fonctionnement optimal.

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Reviews subject to control

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9.8/10

Based on 59 reviews

Marcel S.
Published Aug 17, 2026 at 02:08 pm (Order date: Aug 05, 2026)

5

Replacement with original product. Nothing to report (Translated review)
Stephane d.
Published Jul 10, 2026 at 07:00 pm (Order date: Jun 29, 2026)

5

Perfect (Translated review)
Juan S.
Published Jun 15, 2026 at 09:03 pm (Order date: Jun 04, 2026)

5

Replacement of the old pulleys, perfect. (Translated review)
Laurent d.
Published May 22, 2026 at 06:54 pm (Order date: May 07, 2026)

5

Ok it works, do not get the direction wrong, the 2 rollers are not identical, look at the arrows for assembly! (Translated review)
Arnauld L.
Published May 11, 2026 at 09:18 am (Order date: Apr 27, 2026)

5

RAS (Translated review)
GIOACCHINO Z.
Published May 03, 2026 at 06:54 pm (Order date: Apr 21, 2026)

5

ok (Translated review)
Bruno D.
Published Apr 06, 2026 at 07:53 am (Order date: Mar 25, 2026)

5

Perfect (Translated review)
Anthony D.
Published Mar 30, 2026 at 09:24 pm (Order date: Mar 16, 2026)

5

Easy installation (without removing the chain), work very well on a Shimano Ultegra Di2 derailleur. Very good product. (Translated review)
Roland J.
Published Mar 23, 2026 at 08:31 am (Order date: Mar 10, 2026)

5

- (Translated review)
Alain L.
Published Dec 19, 2025 at 07:25 am (Order date: Dec 02, 2025)

5

not yet tested (Translated review)