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Shimano 105 R7170 Di2 Hydro Disc 12 Speed Groupset

Shimano 105 R7170 Di2 Hydro Disc 12 Speed Groupset

Regular price £849.00 GBP
Regular price Sale price £849.00 GBP
Includes VAT. Shipping calculated at checkout **FREE UK Delivery on orders over £50**
Shimano R7100 (HG710) 12 Speed Cassette (Ratio)
Shimano 105 R7100 12 Speed Chainset (Ratio)
Shimano Rotors (Rotor Option)
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Shimano 105 R7170 Di2 Hydro Disc 12 Speed Groupset

The Shimano 105 brings Di2 shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, Shimano R7170 105 Di2 represents a transformation of the road cycling experience.

Shimano 105 is a premium road component groupset that inherits competition-grade technologies and designs from DURA-ACE to offer a truly unique balance of impressive performance, reliability, and affordability. 

The shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics.

What's Included...

Di2 Components - Battery & Cables

Complete with:

  • Shimano Di2 Battery
  • Charging cable
  • EW-SD300 Wires (1x 700mm, 1 x 1200mm)

Shimano 105 R7100 Cassette - Choice of ratio

Select your choice at the top of this page.

High performance Hyperglide+ 12-speed 105 Road cassetteHyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlLargest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity

Shimano 105 R7100 Chainset- - Choice of ratio

Select your choice at the top of this page.

The chainset features an attractive aluminium crank with hollow arms for lightweight, rigidity, and durability. The crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance

Shimano 105 R7150 Braze-on Front Derailleur

Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences.

Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio.

The removal of traditional mechanical cables in favour of electrical wires that connect to the battery not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts.

Shimano 105 R7150 Rear Derailleur

105 Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

The rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devises and replaces the handlebar junction.

Button on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirements.

Shimano 105 Flat Mount Hydraulic Brake Caliper

With proven hydraulic braking technology, the new SHIMANO 105 calipers feature the SHIMANO Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance. Please note, rotors are not included.

Shimano 105 R7170 Hydraulic Brake/Gear STi Levers

With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences.

Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio.

Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold.


Shimano M6100 Chain

The M6100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability.

rotors are not included in the price, they are an optional extra. Rotor size should be chosen based on your frameset size.

Optional Extras...

 Shimano SM-RT70 Rotors (pair) - choice of size

Select your choice at the top of this page.

Shimano SM-RT70 disc brake rotors deliver powerful and consistent brake performance for all riding conditions. The ICE TECHNOLOGIES rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.

This groupset is supplied without a bottom bracket.

Need a bottom bracket?

Bottom Bracket - please add one to your basket separately

This groupset is supplied without a bottom bracket. Suitable recommendations are shown below but please check what bottom bracket your frame requires

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