Shimano Ultegra R8000 11 Speed Cassette

Shimano Ultegra R8000 11 Speed Cassette
720 reviews
Number of gears
Body Type
Cassette Ratio
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From 66,02 30,54 discount
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Pros & Cons

Pros & Cons

  • This cassette works on all Shimano 11-speed road bike groupsets. Its precision design allows for quick and smooth gear shifting.
  • The special coating makes this cassette more durable than lower-end Shimano cassettes.
  • The first 5 teeth rest on spiders, which increase the cassette's rigidity and prevent it from damaging the body.
  • Its light materials and spiders, and its special design make this a lightweight product!
  • The spider is made of aluminium, which is less rigid and heavier than the carbon spider of a Dura-Ace cassette.
Read more on what our customers have to say about this product

Specifications

Specifications

Brand
Shimano
Quality
Good
Type cassette remover tool
Lockplug
Bike Type
Road bike / Gravel bike
Number of gears
11 speed
Body Type
SRAM Race 10/11 speed / Shimano Race HG 9-12 speed
Weight
251 grams (11-28T)
What groupset do you have?
Shimano Ultegra
Quality
Better
All specifications

Description

Description

With a Shimano Ultegra R8000 cassette shifting is quick, quiet and smooth. Its weight is low and it's very stiff due to the use of spiders, enhancing power transfer. Thus, this Shimano Ultegra cassette offers perfect support when you're cycling!

Ratios for every terrain
Various cassette ratios are available, enabling you to adapt to whatever terrain you're taking on. There are the 11/25 and 12/25 for your rides on flat terrain. The 11/28 and 11/30 are suitable for hilly trails and, for more experienced riders, mountainous areas. For the average cyclist however the 11/32 and 11/34 cassettes are the most suitable choice for the high mountains. Of course, all of this depends on whether you ride compact, semi-compact or double.

Technology

Quick and smooth shifting due to high-quality cut
During the production process, the sprockets are shaped with great precision. Shifting lines have been applied to the cassette and some teeth have been given rounded tips. This makes shifting very quiet and smooth, even with a lot of force on the pedals. The wear resistance of this cassette is also very good because the sprockets have been given a special, wear-resistant coating.

Cassette width
This cassette has a 11/34 gear ratio, which is the same width as a 10-speed mountain bike cassette. Due to the umbrella-shaped spider it is also compatible with a mountain bike body.

Spiders for extra stiffness
In this cassette the first five sprockets rest on spiders. A spider is an aluminum object manufactured from one piece. Instead of having separate sprockets, in this cassette the sprockets have been secured onto the spiders. Aside from making the cassette more lightweight, it also gives it more stiffness. In turn, this stiffness allows more energy to be transformed into speed. In addition, this extra stiffness also prevents the cassette from corroding the body.

• Ascension from large to small cog: 3+2+1+1+1+1+1+1
• Number of individual components: 9
• Material: Nickel-plated steel
• Spider: Aluminium
• Cogs and weight according to manufacturer:
- 11-25: 11-12-13-14-15-16-17-19-21-23-25; 232 grams
- 12-25: 12-13-14-15-16-17-18-19-21-23-25; 243 grams
- 11-28: 11-12-13-14-15-17-19-21-23-25-28; 251 grams
- 14-28: 14-15-16-17-18-19-20-21-23-25-28; 300 grams
- 11-30: 11-12-13-14-15-17-19-21-24-27-30; 269 grams
- 11-32: 11-12-13-14-16-18-20-22-25-28-32; 292 grams
- 11-34: 11-13-15-17-19-21-23-25-27-30-34; 335 grams

Compatibility

105 5800 11-speed rear derailleur
Short cage (SS): 11/23, 11/25, 11/28, 12/25, 14/25, 14/27, 14/28, 16/27
Long cage (GS): 11/28, 11/30, 11/32

Ultegra 6800 11-speed rear derailleur.
Short cage (SS): 11/23, 11/25, 11/28, 12/25, 14/25, 14/27, 14/28, 16/27
Long cage (GS): 11/28, 11/30, 11/32

Dura-Ace 9000 11-speed rear derailleur.
Short cage (SS): 11/23, 11/25, 11/28, 12/25, 14/25, 14/27, 14/28, 16/27

105 R7000 11-speed rear derailleur
Short cage (SS): 11/25, 11/28, 11/30, 12/25, 14/25, 14/27, 14/28, 16/27
Long cage (GS): 11/28, 11/30, 11/32, 11/34

Ultegra R8000 11-speed rear derailleur.
Short cage (SS): 11/25, 11/28, 11/30, 12/25, 14/25, 14/27, 14/28, 16/27
Long cage (GS): 11/28, 11/30, 11/32, 11/34

Dura-Ace R9100 11-speed rear derailleur.
Short cage (SS): 11/25, 11/28, 11/30, 12/25, 14/25, 14/27, 14/28, 16/27

Assembly

Mounting with special tools
To assemble and disassemble this cassette you will need specific cassette tools. These can be found here.

Don't forget the assembly grease!
The lockring on your cassette should be tightened, in most cases up to 40Nm. To loosen the cassette, we recommend you to apply a little bit of assembly paste to the lockring. Our assembly greases can be found here.

User tips

How often should I clean my bike? Regular cleaning ensures that your materials lasts longer and that you can enjoy cycling for longer. How often you need to clean depends on the weather conditions in which you ride. Do you cycle through all kinds of weather, or do you only go out when the sun is shining? It all affects the degree of wear and tear and some people will have to clean their bikes more often than others. Use the schedule below as a guide:

October to March:
• Clean every 200 km
• Rinse after every ride
• Dry and oil the chain after every ride
• Leave the bike to dry at room temperature

April to September:
• Clean every 300 km
• Rinse off after cycling in the rain
• Dry and oil the chain after polishing or rinsing
• Leave the bike to dry at room temperature
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Reviews

Reviews

4.9 / 5
Average from 720 reviews
5
342 reviews
4
38 reviews
3
0 reviews
2
0 reviews
1
0 reviews

Photos from customers


Most recent reviews

5 / 5

Ordering and delivery always goes smoothly

- Patrik 11 June 2024

Had a 105 cassette before which worked well but was worn. The shifting with the ultegra cassette was better and more precise.

Automatic translation

5 / 5

Best for the flat

- Jelle 2 June 2024

Smaller gear steps therefore better to find the right gear for the flat. Highly recommended over an 11-28

Pros & Cons

Easy to mount
Right gear on the flat
Automatic translation

5 / 5

reliable, robust, future-proof equipment at a very affordable price.

- Michel 26 May 2024

the reliability of shimano ultegra cassettes has been proven time and time again: they're reliable, durable and shift smoothly.

Automatic translation

5 / 5

Great stuff if you get a lot of mileage

- L. 24 May 2024

No problems with it

Automatic translation

5 / 5

The 34 is ideal for the steepest climbs.

- Erwin 24 May 2024

The spring classic Tecklenburg Rundfahrt is early in the season, when the condition is not yet optimal, especially after such a wet winter. The 34 is then ideal on the steepest sections, making you less broken and better able to continue the race.

Pros & Cons

Ideal 34
Automatic translation

5

Patrik, 11 June 2024

Ordering and delivery always goes smoothly

Had a 105 cassette before which worked well but was worn. The shifting with the ultegra cassette was better and more precise.

Automatic translation

5

Jelle, 2 June 2024

Best for the flat

Smaller gear steps therefore better to find the right gear for the flat. Highly recommended over an 11-28

  • Easy to mount
  • Right gear on the flat
Automatic translation

5

Michel, 26 May 2024

reliable, robust, future-proof equipment at a very affordable price.

the reliability of shimano ultegra cassettes has been proven time and time again: they're reliable, durable and shift smoothly.

Automatic translation

5

L., 24 May 2024

Great stuff if you get a lot of mileage

No problems with it

Automatic translation

5

Erwin, 24 May 2024

The 34 is ideal for the steepest climbs.

The spring classic Tecklenburg Rundfahrt is early in the season, when the condition is not yet optimal, especially after such a wet winter. The 34 is then ideal on the steepest sections, making you less broken and better able to continue the race.

  • Ideal 34
Automatic translation

Recommended by the product specialist


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720 reviews 314 reviews 15 reviews 49 reviews
Quality Good
Type cassette remover tool Lockplug
Bike Type Road bike / Gravel bike Road bike / Gravel bike Road bike / Gravel bike / E-bike Road bike
Number of gears 11 speed 11 speed 11 speed 11 speed
Body Type SRAM Race 10/11 speed / Shimano Race HG 9-12 speed SRAM Race 10/11 speed / Shimano Race HG 9-12 speed SRAM Race 10/11 speed / Shimano Race HG 9-12 speed SRAM Race 10/11 speed / Shimano Race HG 9-12 speed
Cassette Ratio 11 / 25 / 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 / 14 / 28 / CS-R8000 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 / CS-R7000 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 11 / 25 / 11 / 26 / 11 / 28 / 11 / 32
From 66,02 From 47,73 From 77,21 From 69,07
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All specifications

General

Brand
Shimano
Quality
Good
Type cassette remover tool
Lockplug
Bike Type
Road bike / Gravel bike
Number of gears
11 speed
Weight
251 grams (11-28T)
What groupset do you have?
Shimano Ultegra
Quality
Better
Suitable for
Shimano / Sram
Colour
Black

Components

Body Type
SRAM Race 10/11 speed / Shimano Race HG 9-12 speed