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Rear derailleur hanger Shimano Ultegra RD-R8150 12v - Y3J198010
Voir les avis clients(10 reviews)
Upper and lower pulleys
Notre avis
The proper functioning of a rear derailleur depends mainly on the quality of its pulleys, whether in terms of tooth wear or the smoothness of its bearings.
Road specialist
Give your drivetrain a new lease of life with the Shimano ’s Ultegra RD-R8150 12-speed rear derailleur pulleys. Designed to ensure optimum shifting precision, these genuine parts guarantee smooth, quiet and high-performance operation, even under heavy load.
Specifically developed for Shimano Ultegra Di2 12-speed rear derailleurs, they ensure perfect chain alignment and reduced friction. Their robust design helps to minimise premature wear and extend the service life of your drivetrain.
Ideal for maintenance or replacing worn parts, this set of pulleys helps maintain the original performance of your high-end Shimano groupset.
Key features:
- Perfect compatibility with the Shimano Ultegra RD-R8150 12-speed system
- Improved smoothness and precision of gear changes
- Reduced noise and friction
- Genuine Shimano part for maximum reliability
- Quick and easy installation
Technical specifications:
- Shimano
- 12-speed
- Ultegra R8150 series
- Sold in pairs
- Part number Y3J198010
- Brand: Shimano
Frequently asked questions
Want to find out more?
Ils sont conçus spécifiquement pour le modèle RD-R8150. Une compatibilité avec d’autres modèles n’est pas garantie.
Le galet supérieur guide la chaîne pour des changements précis, tandis que l’inférieur maintient la tension de chaîne.
Lorsqu’ils présentent des signes d’usure (jeu, dents usées, bruit accru) ou lors d’un entretien complet de la transmission.
Non, l’installation est simple avec des outils de base, en respectant le sens de montage des galets.
Ils sont conçus spécifiquement pour le modèle RD-R8150. Une compatibilité avec d’autres modèles n’est pas garantie.
Le galet supérieur guide la chaîne pour des changements précis, tandis que l’inférieur maintient la tension de chaîne.
Lorsqu’ils présentent des signes d’usure (jeu, dents usées, bruit accru) ou lors d’un entretien complet de la transmission.
Non, l’installation est simple avec des outils de base, en respectant le sens de montage des galets.
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We value your opinion
Our customers, our best ambassadors
-
Michel H. 
Published Sep 12, 2026 at 06:21 pm (Order date: Sep 01, 2026)- (Translated review)
- Patrice P.
Published Jun 19, 2026 at 11:46 pm (Order date: Jun 05, 2026)Good (Translated review)
- Jean-Philippe B.
Published Jun 05, 2026 at 05:57 pm (Order date: May 25, 2026)Same chain (Translated review)
- Christian B.
Published Dec 20, 2025 at 11:20 am (Order date: Dec 04, 2025)To replace worn-out pads, perfect (Translated review)
- Guillaume V.
Published Aug 09, 2025 at 11:23 pmReplaces the original, Shimano quality (Translated review)
- Andre A.
Published May 06, 2025 at 04:29 pmGood product maybe change for durace (Translated review)
- Gerard B.
Published Mar 12, 2025 at 03:56 pmCompliant with Shimano. (Translated review)
- Sébastien M.
Published Feb 20, 2025 at 09:16 pmDoes the job! To be changed every 2 chains I think (Translated review)
- Ancy R.
Published Jul 10, 2024 at 01:36 pmsmooth and robust rollers (Translated review)
- Johann p.
Published Jan 05, 2024 at 02:50 pmquality compliant nothing to say (Translated review)
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