€300.00 economy

Shimano Dura-Ace Di2 RD-R9150 11-speed electric rear derailleur, Ultegra-compatible

Compatible with Ultegra Di2 11-speed

I choose my options

Rear derailleur clevis

Speed compatibility

Transmission type

MPN : IRDR9150SS | EAN : 4524667746430 | Ref : 18507590001

€299.99 €599.99

Price : €779.99

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Based on 3 reviews

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Shimano Dura-Ace Di2 RD-R9150 11-speed electric rear derailleur, Ultegra-compatible

More details In stock

Shimano Dura-Ace Di2 RD-R9150 11-speed electric rear derailleur, Ultegra-compatible

€299.99 €599.99

Our advice

Fred B.

Optimise your drivetrain with the Shimano Dura-Ace Di2 RD-R9150 11-speed electronic rear derailleur – a masterpiece of technology and precision designed for the most demanding cyclists. Drawing on the expertise of Shimano, this top-of-the-range derailleur embodies the manufacturer’s original quality, synonymous with performance, reliability and durability.

Designed for competition and intensive road cycling, the RD-R9150 features the Di2 electronic system, guaranteeing ultra-fast, smooth and precise gear changes, whatever the conditions. Gone are the days of rough adjustments: every gear change is instantaneous and perfectly calibrated, even under heavy load.

Its compact, lightweight design incorporates intelligent chain management, ensuring optimal alignment and a significant reduction in noise and chain skipping. Thanks to Shadow RD technology, the derailleur is more discreet, better protected and offers greater stability, even on rough roads.

With its 11-speed compatibility and full integration with the Di2 system Shimano, this derailleur is the go-to choice for cyclists seeking a reliable, high-performance and uncompromising electronic drivetrain.

Key features:

11-speed electronic rear derailleur
Di2 technology: ultra-precise electronic gear changes
Original equipment quality Shimano
Shadow RD technology: compact profile and improved protection
Smooth and quiet operation
Reduced risk of derailment
Ideal for competition and high-intensity rides
Compatible with Dura-Ace and Ultegra Di2 11-speed groupsets

Why choose the RD-R9150?

The Dura-Ace Di2 RD-R9150 Shimano r is designed to deliver an unrivalled shifting experience. Its electronic precision eliminates mechanical inaccuracies and guarantees consistent performance, ride after ride. It is the preferred choice for cyclists seeking reliable, fast and perfectly controlled equipment.

Conclusion:

The Shimano Dura-Ace Di2 RD-R9150 rear derailleur is a must-have for cyclists seeking precision, speed and reliability. With its advanced electronic technology and factory-standard quality, it transforms every ride into a smooth and high-performance experience.

Technical specifications:

- Short Chape
- Maximum tooth count on the largest sprocket: 30 teeth
- 11-speed electronic drivetrain
- Compatible with 8000, 6870, 9000 and 9100 series shifters in the DI2 range
- Shimano part number: IRDR9150SS

Rear derailleur clevis	Short
Speed compatibility	11v
Transmission type	Electric
EAN	4524667746430
Supplier reference	IRDR9150SS

Average rating: 4.3 out of 5

Based on 3 reviews

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Rated 5 out of 5 David F.

Published Oct 28, 2019 at 02:28 pm (Translated review)

Shifting is really precise and pleasant. Moreover, adjustments are really easy.
Rated 4 out of 5 Didier P.

Published Sep 30, 2019 at 11:39 pm (Translated review)

You just have to appreciate the gear shifting. And a simple update with E-TUBE.
Rated 4 out of 5 Frank D.

Published Jan 29, 2019 at 10:50 am (Translated review)

Upon delivery of my new BMC bike, I noticed that the rear derailleur was broken. After a few emails, photos, and phone conversations, and after receiving the broken derailleur, the team at Materiel-Velo sent me a new one with apologies; after-sales service TOP!

A Di2 derailleur operates electronically, offering faster, more precise and consistent gear changes, without relying on cable tension.

No, it is specifically designed for the Shimano Dura-Ace and Ultegra Di2 11-speed groupsets.

No, the electronic system significantly reduces maintenance requirements compared with a conventional mechanical system.

Yes, it is designed to meet the needs of professional cyclists and competitive riders.

The derailleur will no longer be able to change gears. It is therefore important to check the battery level of the Di2 system regularly.

Assembly requires a good understanding of Di2 electronic systems. It is recommended that you seek professional assistance to ensure optimal installation.

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