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Shimano Dura Ace Di2 R9150 11-speed Groupset

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Cassette Ratio
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2 339,00 1 010,00 discount
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  • Free tracked delivery to Finland
  • Trustpilot review 9.2 out of 48.717 reviews

Pros & Cons

  • Order the Dura Ace R9150 in any desired configuration at Mantel.com!
  • This is electronic shifting performance taken to perfection: smooth, fast, silent, and extremely durable!


Brand Shimano
Shifting Type Electronic
Front DerailleurBraze-on
Crankset (Axle) TypeHollowtech II
Number of gears 11 speed


The Shimano Dura Ace Di2 R9150 is the electronic groupset in the new R9100 series. This version offers the best possible shifting performance available at this time. Each component has been optimised with the new groupset. The shifters have a more ergonomic design and feature small operating switches placed on top of the shifters which allow you to operate your lights or Garmin bike computer. The rear derailleur has been given an upgrade with the Shadow technology, causing it to be placed more directly below the cassette and reducing its vulnerability. The brakes have been given wider clearance, facilitating wider tyres which are slowly becoming the new standard, and finally the crankset has been made more rigid and efficient without adding more weight.

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Delivery includes

• Crank set Shimano Dura Ace FC-R9100
• Cassette Shimano Dura Ace CS-9100
• Shimano Dura Ace BR-R9100/R9110 direct mount brakes
• Shimano Dura Ace RD-R9100 rear derailleur
• Shimano Dura Ace FD-R9100 braze on front derailleur
• Shimano Dura Ace 11 speed HG-901 chain
• Shimano Dura Ace 11-speed ST-R9100 shifters
• Di2 cables EW-SD50: 1*1200 mm, 2*700 mm and 3*350 mm
• Internal battery BT-DN110
• Junction JC-41
• Junction EW-90-A
• Brake cables included
• Battery charger and DI2 cabletool are not included

• We recommend ordering a battery charger with this groupset, should you not already have one:
- Shimano DI2 interne batterijlader

• We recommend using the Shimano TL-EW02 Di2 Cable Tool for installing and removing Di2 cables:
- Shimano TL-EW02 DI2

Shimano recommends the following bottom bracket bearings with this groupset:
- Dura Ace 9100 Trapas
- Dura Ace BB92 Trapas Race

For BB30 frames, we recommend using the Wheels Manufacturing BB30 Enduro Bearings:
- Wheels Manufacturing BB30 Enduro Bearings

For Press Fit 30 frames, we recommend the Wheels Manufacturing PF30 Enduro Bearings:
- Wheels Manufacturing Press Fit 30 Enduro Bearings

We recommend the Shimano Di2 grommets for internally routed cables:
- Shimano Di2 Grommets

Frequently bought together

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Shimano Dura Ace Di2 R9150 11-speed Sram Red eTAP AXS Shimano Dura Ace R9170 Di2 Disc Campagnolo Super Record 12 Speed

1 review
Shifting Type Electronic Electronic Electronic Mechanical
Crank Ratio 50 / 34 / 52 / 36 / 53 / 39 40 / 46 / 46 / 33 / 48 / 48 / 35 / 50 / 50 / 37 50 / 34 / 52 / 36 / 53 / 39 50 / 34 / 52 / 36 / 53 / 39
Cassette Ratio 11 / 25 / 11 / 28 / 11 / 30 / 12 / 25 / 12 / 28 10 / 26 / 10 / 28 / 10 / 33 11 / 25 / 11 / 28 / 11 / 30 / 12 / 25 / 12 / 28 11 / 29 / 11 / 32
Front Derailleur Braze-on Braze-on Braze-on
Brake Type Traditional Rim Brake / Direct Mount Rim Brake / Direct Mount Front and Bottombracket Rear Traditional Rim Brake / Disc Flat Mount / Disc Post Mount Disc Flat Mount
Crankset (Axle) Type Hollowtech II Dub Hollowtech II
2 339,00 From 2 272,50 2 699,00 2 299,00
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10 / 10

Bernd, 27 October 2018


Super Gruppe zum super Preis

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Detailed product description

The rear derailleur uses the Shadow technology first seen with Shimano mountain bike rear derailleurs. This causes the derailleur to be placed more directly below the cassette, reducing the chances of damage from external causes such as a crash.

Possibly familiar from mountain biking, but now also available on the new Dura Ace 9150 Di2 groupset. A programmable system allows you to shift using a predetermined sequence. This enables the front derailleur to automatically shift when you've reached the end of your cassette (or sooner, should you so desire). Shimano guarantees a shock-free experience, meaning you won't feel a thing while you're pushing hard.

The newly designed crank set makes for a more efficient power transfer as well as increased rigidity while staying at the same weight.