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Shimano Ultegra R8070 Disc Groupset

Type of junction
Crank ratio
Cassette ratio
Cage length
Crank Length
£1,289.30 £758.90 discount
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  • Free tracked delivery
  • Trustpilot review 9.3 out of 40.799 reviews


Brand Shimano
The way of gear shifting Electronic
Front derailleurBraze-on
Brake typeDisc brake
Bottom BracketNo, not included
Type crankset (Axle)Hollowtech II
Number of gears 11-speed


The Shimano Ultegra R8070 Disc groupset combines the best braking and shifting performance in one groupset. Thanks to the latest techniques taken over from the Shimano Dura Ace R9170 groupset you have a quality that is not much inferior to the Dura Ace at a more affordable price. For example, the rear derailleur Shadow is designed and further aligned under the cassette so that it is better protected against a possible impact. The crankset has also been redesigned to provide more efficient power transmission and reduce weight. The shifters have the same compact ergonomic design as the rest of the R8000 and R9100 series.

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Delivery includes

• Shimano Ultegra ST-R8070 gear shifter set
• Shimano Ultegra FC-R8000 crankset
• Shimano Ultegra CS-R8000 / HG800 cassette
• Shimano Ultegra BR-R8020 calipers (excluding brake discs)
• Shimano Ultegra RD-R8050 Rear derailleur
Medium cage (GS) standard for 11-32 and 11-34. Short cage (SS) standard at 11-28, 14-28, 12-25, 11-25.
• Shimano Ultegra FD-R8050 Front derailleur (weld)
• Shimano Ultegra HG701 chain
• Di2 cables EW-SD50: 1*1200mm, 2*700mm and 3*350mm
• Internal battery BT-DN110
• Junction JC-41
• Junction EW-90-A

For this group set we advise you to order a battery charger with you if you do not already have one:
- Shimano DI2 Internal battery charger

This group set is recommended by Shimano with the following bottom bracket bearings:
- Ultegra 6800 SM-BBR60 BSA/ITA
- Shimano BB72 PressFit

For a BB30 fit we recommend:
- Wheels Manufacturing BB30 Enduro Bearings

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

These are the brake discs that match the R8070 group set:
Shimano Ultegra RT-800 Remschijf

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Type of junction External / Internal
The way of gear shifting Electronic Mechanical Mechanical Mechanical
Crank ratio 53 / 39 / 52 / 36 / 50 / 34 / 46 / 36 53 / 39 / 52 / 36 / 50 / 34 53 / 39 / 52 / 36 / 50 / 34 53 / 39 / 50 / 34
Cassette ratio 11 / 25 / 11 / 28 / 11 / 30 / 11 / 32 / 11 / 34 / 12 / 25 / 14 / 28 11 / 25 / 11 / 28 / 11 / 30 / 12 / 25 / 12 / 28 11 / 23 / 11 / 25 / 11 / 29 / 11 / 32 / 12 / 25 / 12 / 27 / 12 / 29 11 / 25 / 11 / 26 / 11 / 28 / 11 / 30 / 11 / 32
Front derailleur Braze-on Braze-on Braze-on Braze-on
Brake type Disc brake Traditional Rim Brake / Direct Mount Front and Bottombracket Rear / Direct Mount Front and Rear Rim brake Traditional Rim Brake
£1,289.30 £1,306.40 From £1,110.90 £1,261.40
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All specifications

Detailed product description

The Shimano Ultegra R8070 Shifter + calliper offers unprecedented braking power and a feeling of proper dosing in descents or fast passages. The shape of the shifters closely matches the R8050, R8070 and R8000 shifters. Di2 shifters can be operated with the recently released full or semi-Synchronized Shifting (with BT-BN110 battery), which allows riders to switch the front (full) or rear (semi-Synchro) derailleur automatically. This means that you can, for example, set both left and right shifters to switch on and both right shifters to switch back. Also, the shifters also have a clear 'click' feel for fast and accurate shifting with gloves on.

The Shimano Ultegra R8000 crankset is perhaps the most eye-catching part of the R8000 groupset. The robust asymmetric crankarm is derived from the Dura Ace R9100 crankset and provides more efficient crank transmission than its predecessor. The crank also incorporates Hollowglide technology for best weight to maximum rigid ratios. The choice of different chainrings combinations is large and easily interchangeable by the same stitch with a double 53-39T, mid-compact 52-36T, compact 50-34T and the 46-36T for cyclocross purposes.

Front derailleur
The front derailleur (FD) is designed for fast and smooth shifting at high pedal load. Combined with the restyled crankset, the front derailleur has been redesigned to accommodate both wider tyres and a wider gear unit without compromising shifting.

Rear derailleur
Shimano Shadow RD design: entirely underneath the cassette, protected from any damage. The RD comes in a short cage (SS) design for 11-25T to 11-30T and a long cage (GS) design for the 11-28T to 11-34T cassettes. Both Di2 front and rear derailleurs communicate with each other to work in full or semi-Synchronized Shifting, allowing the rider to focus on the road or race.