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Shimano Ultegra Disc R8020 Gruppesæt

Shimano Ultegra Disc R8020 Gruppesæt
Tandkombination
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Krankratio
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Kranklængde
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Bagskifter type
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7 767 3 749 rabat
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Specifikationer

Specifikationer

Mærke Shimano
Antal gear 11-speed
Bremsetype Skivebremse Flatmount
Måde at skifte gear på Mekanisk
Forskifter Svejset
Krankboks Nej, medfølger ikke
Type kranksæt (aksel) Hollowtech II
Farve Grå

Beskrivelse

Beskrivelse

The Shimano Ultegra R8020 Disc groupset provides excellent braking and shifting performance thanks to new techniques adopted from the Shimano R9100 Dura Ace groupset. These new features include the Shadow rear derailleur that is better protected against external damage due to the alignment underneath the cassette, a more compact design and cable adjustment of the front derailleur, well-dosable braking force in the shifters, powerful brake calipers and a crankset with an improved power efficiency and transmission.

Teknologier

Shifters
The Shimano Ultegra R8020 shifter + brake caliper offers an unprecedented well-dosable braking force in descents or quick passages. The shape of the shifters is pretty similar to the R8050, R8070 and R8000 shifters. They have a short lever throw, a compact design and an excellent braking performance in all conditions.


The Shimano Ultegra R8000 may well be the most striking part of the R8000 groupset. The robust, asymmetric crank arm is derived from the Dura Ace R9100 crankset and provides a more efficient crank transmission compared to its predecessor. The crank also contains the HollowGlide technology for the best ratio between weight and maximum rigidity. There is a wide range of different chainring combinations that are also easily interchangeable with a double 53-39T, mid-compact 52-36T, compact 50-34T and the 46-36T for cyclocross use.

Front derailleur
The Shimano Ultegra R8000 front derailleur is the result of the development of the R8000 groupset. Besides, the design features no in-line cable tensioner and offers instead an adjustment by means of an Allen key for an easy and accurate cable tension adjustment.

Rear derailleur
The Shimano Ultegra R8000 rear derailleur is a part of the successor of the popular 6800 groupset. The R8000 is very similar to the R9100 rear derailleur, as this R8000 rear derailleur copies the entire Dura Ace Shadow design, including complete protection under the cassette. This is a huge advantage for people who ride in groups in which a rear derailleur breaks sometimes. The rear derailleur is supplied in a short cage (SS) design for 11-25T up to 11-30T and a long cage (GS) design for 11-28T up to 11-34T cassettes.

Produktet indeholder

• Shifters Shimano Ultegra 11-speed ST-R8020
incl. inner and outer gear cables
• Shimano Ultegra FC-R8000 crankset
• Shimano Ultegra CS-R8000 / HG800 cassette
• Shimano Ultegra BR-R8070 brake calipers (excl. brake discs)
• Shimano Ultegra RD-R8000 rear derailleur: Long cage (GS) compatible with 11-28, 11-30, 11-32 and 11-34. Short cage (SS) compatible with 11-30, 11-28, 14-28, 11-25 and 12-25.
• Shimano Ultegra FD-R8000 front derailleur (braze-on)
• Shimano Ultegra HG701 chain

Which bottom bracket do I need?

For this groupset Shimano recommends the following bottom bracket bearings:
- Ultegra 6800 SM-BBR60 BSA/ITA
- Shimano BB72 PressFit

For a BB30 bottom bracket we recommend:
- Wheels Manufacturing BB30 Enduro Bearings

For Press Fit 30 we recommend:
- Wheels Manufacturing Press Fit 30 Enduro Bearings

This disc brake rotor is compatible with the R8020 groupset:
Shimano Ultegra RT-800 Disc Brake Rotor
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Sammenlign ovennævnte produkter
Shimano Ultegra Disc R8020 SRAM Red eTAP AXS Upgrade Kit Shimano Ultegra R8000 SRAM Force eTap AXS Disc Upgrade Kit
Shimano Ultegra Disc R8020 SRAM Red eTAP AXS Upgrade Kit Shimano Ultegra R8000 SRAM Force eTap AXS Disc Upgrade Kit
2 Anmeldelser 24 Anmeldelser 9 Anmeldelser
Tandkombination 11 / 25 / 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 / 14 / 28 11 / 25 / 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 / 14 / 28
Krankratio 46 / 36 / 50 / 34 / 52 / 36 / 53 / 39 46 / 36 / 50 / 34 / 52 / 36 / 53 / 39
Kranklængde 165 mm / 170 mm / 172,5 mm / 175 mm 165 mm / 170 mm / 172,5 mm / 175 mm
Antal gear 11-speed 12-speed 11-speed 12-speed
Bremsetype Skivebremse Flatmount Traditionel fælgbremse / Direct Mount Fælgbremse / Direct Mount For og Krankboks Bag / Skivebremse Flatmount / Skivebremse Postmount Traditionel fælgbremse Skivebremse Flatmount
Måde at skifte gear på Mekanisk Elektronisk Mekanisk Elektronisk
7 767 Fra 9 322 6 057 Fra 7 580
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