Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set, Black

Name: Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set
Brand: Shimano
SKU: 137552011
Price: 14.49 EUR
Availability: InStock
Rating: 5 (28 reviews)

Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

14.49 €

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28 Reviews

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Features of Shimano Ultegra R8000/R8050/RX812 11s

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Specifications Shimano Ultegra R8000/R8050/RX812 11s

Features of Shimano Ultegra R8000/R8050/RX812 11s

Color Black

Color

Black

Product Type Jockey wheels

Product Type

Jockey wheels

Product description of Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

Description summary

Restore your drivetrain´s performance with the genuine SHIMANO Ultegra R8000/R8050 11-Speed Jockey Wheel Set. These replacement pulleys are essential for bringing back the crisp, silent, and precise shifting Ultegra is known for. Engineered with high-quality sealed bearings and specific tooth profiles, they reduce friction and noise, ensuring maximum power transfer and a quieter ride. This set includes both guide and tension pulleys to restore your derailleur to factory-fresh standards and extend the life of your entire 11-speed drivetrain

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SHIMANO Ultegra R8000/R8050/RX812 11s Jockey Wheel Set

Category: Spare Parts
Subcategory: Transmission

Restore the pinnacle of shifting performance to your drivetrain with the genuine SHIMANO Ultegra R8000/R8050 11-Speed Jockey Wheel Set. As a critical component of your rear derailleur, these pulley wheels are essential for maintaining the crisp, silent, and precise gear changes that define the Ultegra experience. Over time, original jockey wheels can wear down, leading to decreased shifting accuracy, increased drivetrain noise, and premature wear on your chain and cassette. This replacement set is the definitive solution to bring your derailleur back to its factory-fresh operational standard.

Engineered specifically for the Ultegra ecosystem, this set ensures perfect system integration and flawless performance. Experience a significant reduction in friction and chain noise thanks to the high-quality bearings and meticulously designed tooth profiles. Each tooth is shaped to seamlessly guide the chain from one cog to another, providing the immediate and reliable response you need, whether you´re climbing a steep grade or sprinting for the finish line. By replacing worn pulleys, you not only enhance your immediate riding experience but also extend the life of your entire 11-speed drivetrain.

Key Benefits:

* Restored Shifting Precision: Eliminates the slop and hesitation caused by worn pulleys, returning your shifting to its original crisp and immediate state.
* Reduced Drivetrain Friction: Features high-quality, sealed bearings that spin freely, minimizing resistance and ensuring maximum power transfer from your pedals to the road.
* Quieter Operation: The specific tooth design and smooth-rolling bearings work in harmony to significantly reduce chain noise for a quieter, more enjoyable ride.
* Enhanced Durability: Manufactured to Shimano´s exacting standards, these jockey wheels are built for longevity, offering thousands of miles of reliable performance.
* Perfect Compatibility: As a genuine Shimano spare part, this set guarantees a perfect fit and function with compatible Ultegra derailleurs, preserving the integrity of your groupset.

Main Features:

This set includes both the upper (Guide Pulley or G-Pulley) and lower (Tension Pulley) wheels required for a complete overhaul. The Guide Pulley is engineered with precise lateral float to flawlessly track the chain across the cassette, while the Tension Pulley maintains optimal chain tension for consistent performance in all gear combinations. The 11-tooth design is optimized for use with Shimano 11-speed HG-EV and HG-X11 chains, ensuring perfect engagement and disengagement with every shift.

Shimano pulley wheels suitable for the Ultegra R8000 and Ultegra R8050 derailleur. For riders using the gravel-specific Ultegra RX810 or RX812 series derailleurs, please verify the specific part number required for your model, as they may differ.
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Jockey Wheels Technical Specifications:

* Brand: SHIMANO
* Series: Ultegra
* Type: Pulley Wheels / Jockey Wheels
* Model: Replacement for R8000 / R8050 Series
* Number of Gears: 11-Speed
* Tooth Count: 11T
* Set Includes: 1x Guide Pulley, 1x Tension Pulley
* Suitable for: Shimano Ultegra RD-R8000 (Short Cage & Medium Cage) and Shimano Ultegra Di2 RD-R8050 (Short Cage & Medium Cage) rear derailleurs

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What our customers are saying about Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

These original Shimano Ultegra derailleur pulleys are a high-quality, affordable replacement part. Praised for their smooth bearings, they offer a noticeable performance upgrade over stock 105 pulleys, providing a significant gain in fluidity. They are a perfect fit for Ultegra R8000 and are also confirmed to work great as an upgrade for Shimano 105 R7000 and GRX derailleurs. These easy-to-install pulleys are noted for their excellent quality and durability, making them a reliable choice for replacing worn-out parts and ensuring proper operation

Superb

2025/06/04

Alain

Just what I expected !

Great productt

2025/04/23

anita

Great product, long lift-time

Original product

2025/02/05

Claude

Spare parts for life

Shimano ultegra pulleys

2025/01/25

Igor

Correct pulleys, mount G pulley on top, T pulley on the bottom and respect the direction of rotation. This part is VERY important for proper operation.

Good

2025/01/20

joao

Good value for money

Good

2025/01/20

joao

Good value for money

Perfect

2025/01/08

Luciano

as per title perfect product original in its packaging

Product ok

2024/12/29

Luciano

original Shimano Ultegra product mounted on Shimano 105 gearbox perfect the substantial difference of the pulleys between the ultrega and the 105 is that those of the ultrega have the bearing while those of the 105 do not then the price is truly competitive perfect packaging

Shimano quality

2024/10/02

Zigor

Used for shimano grx, works great

Shimano ultegra r8000/r8050/rx812 11s

2024/07/30

Konstantin

Inexpensive and good replacement parts for the rear derailleur.

Shim pulleys

2024/06/03

cartxofa

Good product, good packaging and delivery time

Ultegra

2023/12/04

William

Very good quality of pulleys, affordable and easy to maintain.

R8000 bearings

2023/10/15

Alexey

Original Shimano rollers. All OK.

Shimano quality

2023/09/28

Jesús

There is little to say about this product. Original Shimano replacement for an 11v Ultegra derailleur. Easy to find, cheap and simple to install. Bikeinn is where I found it cheapest. Shipping was fast.

Shimano

2023/09/06

Carlos

Slow to arrive but good quality/price

Perfect

2023/07/26

Antonio

Excellent price and quality

Perfect

2023/06/13

Paolo

Perfect replacement for Shimano Ultegra R8000

Perfect

2023/04/28

Vaclav

Used to replace weared-off pulleys on ultegra rd. Work fine, as expected.

Rulina's ultegra

2023/02/07

Rulinas Ultegra

Good product at an unbeatable price.

Good quality and good bearings

2022/10/16

Rodion

good quality and good bearings

Shimano r8000 awnings

2022/08/06

Mário Bertoldo

Excellent article strongly recommended to all my thanks

Optimal

2022/06/03

Fede

Shimano = quality and warranty then for 2 years are nowhere to be found in any bike shop .. what luck !!

Fine!

2022/04/16

Slon

They approached the r-7000. I advise!

Good

2022/01/02

Michail

Bought to replace with rd-r7000,

Top product

2021/08/28

couval

Used to replace 105 rollers and there is a real difference. Big gain in fluidity!

Excellent service

2020/12/06

Antonio

It has arrived in a very fast time

Great to have them in my spares kit

2020/08/20

TKLIM

Thank you BikeInn! Great to be able to buy such wear and tear parts and have them delivered promptly, and at a fair price!

Pulleys

2020/06/23

Henrique Martins

Good product

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Compatibility

2025/11/16

Fabio

Hi, is this compatible with Shimano Ultegra D2i 11-speed derailleur? Thanks.

Answer of Adrián

Hi, if it´s an 11-speed I don´t think you´ll have a problem, but I would check the Shimano website with your derailleur´s part number; that will show compatibility. Cheers,

Compatible with Shimano 105 11V?

2022/09/23

Sergi

They would be compatible with the Shimano 105 11 V derailleur

Answer of David

Yes, we are compatible.

Answer of Antonio

They are compatible with 105 11V

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Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

Features of Shimano Ultegra R8000/R8050/RX812 11s

Shimano - Spare parts - Transmission

Specifications Shimano Ultegra R8000/R8050/RX812 11s

Features of Shimano Ultegra R8000/R8050/RX812 11s

Color Black

Product Type Jockey wheels

Product description of Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set

Similar alternatives to this product

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What our customers are saying about Shimano Ultegra R8000/R8050/RX812 11s jockey wheel set