Free UK Mainland Delivery Over £40
0% Finance Available - Over £389
90 Days Return Policy

Shimano Ultegra 12 Speed RIM Brake Di2 Groupset

Code: GSR8100DI2RIM
  • Now £1,179.99
Item in Stock   |   Usually dispatched within 1-2 working days
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V12 Finance Available On Orders Over £500

SHIMANO ULTEGRA R8150 Di2 RIM BRAKE DISC GROUPSET

With technology trickling down from flagship Dura-Ace, Shimano's Ultegra R8150 Di2 Groupset is better than it has ever been before. It perfectly balances performance with value, and the components are slick, reliable, and only create a minimal weight penalty compared to Dura-Ace.

Shifting is flawless, and faster than previous iterations, while operating almost silently. This is thanks to Hyperglide+ tooth profiles, meaning that the chainrings and cassette have an improved connection with the chain, essentially improving shifting under load, across the cassette. Adding in a 12th sprocket, progression through the gears is smoother too.

There are plenty of configurations to choose from, including various crank lengths and both mid-compact and compact chainrings, making this groupset a fantastic option for the majority of riders looking to upgrade their bike to an electronic system. 

You can also pair the system with most third-party cycling computers, including Garmin and Wahoo, which allow you to monitor gear selection or battery status. 

The Groupset comprises of:

ST-R8150 Shifters

  • NOT wireless - (the required cables and junction box are included in the groupset)
  • 2x12-speed Dual-Control lever
  • Refined hood for improved ergonomics and aerodynamics
  • Improved button access

FC-R8100 - HOLLOWTECH II Crank Set - 2x12-speed

  • Chainring combinations:  - 52-36T or 50-34T

CS-R8100 Cassette - 12-speed, 11-30T or 11-34T

  • 11-tooth small cog for optimal efficiency
  • Optimized “Sweet Spot” Gears for pedalling efficiency
  • Compatible with 11-speed HG freehub bodies
  • 11-36*T cassettes (CSHG710) available as an option - call for availability

RD-R8150 Rear Derailleur

  • SHIMANO SHADOW Rear Derailleur
  • Integrated D-FLY connectivity
  • 12-speed Di2 technology
  • Compatible with 11-30, 11-34 and 11-36*T cassettes (*available as an option - call for availability)

FD-R8150 Front Derailleur

  • 12-speed Di2 technology
  • Fast, precise front shifting

BR-R8100 Brakes

  • Exceptional balance of rigidity, weight and stopping power
  • Maximum tyre size: 28C

KMC X12 Chain with Quick Link

Shimano Battery, Charging Cable and Electric Wires

This groupset comes complete with a Shimano E-Tube SEIS Di2 battery, charging cable and EW-SD300 E-Tube Di2 Electric Wires.

  • E-Tube SEIS Di2 Battery, 7.4V Lithium-ion, 3-ports for SD300 wires, internal mount
  • EW-EC300 Charging Cable,1700mm
  • EWJC302 - 2 port junction
  • EW-SD300 E-Tube Di2 Electric Wire, 550mm - left Shifter to cable junction
  • EW-SD300 E-Tube Di2 Electric Wire, 550mm - right shifter to cable junction
  • EW-SD300 E-Tube Di2 Electric Wire, 950mm - battery to front mech
  • EW-SD300 E-Tube Di2 Electric Wire, 1200mm - battery to rear mech
  • EW-SD300 E-Tube Di2 Electric Wire, 1400mm - battery to junction cable

PLEASE NOTE, THIS GROUPSET DOES NOT CONTAIN:

  • Bottom Bracket

PLEASE ALSO NOTE: Unlike the disc brake version, the 12s rim brake shifters still use WIRED connections to the battery and derailleurs. 

DELIVERY

Delivery to mainland UK addresses are free for orders over £40. Except when you choose delivery to a third party (Click and Collect) there is a charge of £5.95 to cover some of the additional cost the couriers charge for this service. If you choose to collect from Fawkes warehouse there is no shipping charge.

There will an additional charge for deliveries to Highlands and Islands. 

RETURNS TO FAWKES

Whether it’s a jersey that doesn’t fit, or the colour is not quite right, sometimes you’ll need to return items to us.

If an item is 'as new' and has not been used or fitted in any way, you can return it to us by post within 90 days of delivery for a refund or exchange. Please ensure that the goods are returned in their original packaging and are in an unused condition.

Please click HERE to print and then complete the returns form and include it inside your parcel.

If you wish you can use our Royal Mail Returns service please follow the instructions on the link below to return your parcel to us.

Royal Mail Returns Service

Please pack the item carefully to avoid damaged during shipping.

Customers need to pay the cost of return delivery unless the item is faulty and this will be deducted from your refund, currently £3.95.

If your have a large item e.g. Bike, trailer etc. please contact our customer service team at Guy@fawkes-cycles.co.uk to arrange the best way to return your item, the cost will be deducted from your refund.

EXCHANGES

If you wish to replace an item, the quickest way is to do this is to visit our web site www.fawkes-cycles.co.uk order your replacement item and return the original item to us for a full refund

Otherwise:

When returning your item, remember to include the code and size of your replacements.

We'll dispatch your replacements postage free to UK addresses.

We'll turn around your exchange as quickly as we can and subject to stock availability, aim to dispatch your replacements within 7 working days of receiving your return.

Bear in mind that there may be slight delays during busy periods.

You will not receive a refund for the retail value of any free or promotional items you are sent, and you will be charged if they are not returned.

UNWANTED ITEMS

If you change your mind on your purchase, you have a full 90 days to return it for a refund. All Goods must be unused, in a saleable condition and in their original packaging with all labels still attached.

Please pack the item carefully to avoid damaged during shipping.

There are some exclusions to our 90 day returns policy, which are detailed below:

Nutritional products or those with a best before date must be returned within 28 days*

Any customised items such as wheel builds cannot be returned*

GPS systems such as sports watches or cycle computers can only be returned if unregistered*

For hygiene reasons, any intimate garments such as facemasks, underwear and swimsuits can only be returned if the items are faulty.

*Unless faulty

If you wish to return your item for a refund, please follow the returns procedure above.

We try our best to process all refunds within 14 working days. We'll refund your item via your original payment method.

You will not receive a refund for the retail value of any free items you are sent, and Fawkes may charge you for this item if you fail to return it

FAULTY ITEMS

If you feel that your purchase has developed a fault, then please contact us with photographs of the issue before returning any goods - we may be able to solve your problem without you incurring any further inconvenience.

If you find a fault with your item, send it back to us and we'll take a look at it as soon as we can. Items sent back to us will undergo an inspection and it may be necessary to send the item away to the manufacturer to confirm the fault. If we confirm a manufacturing fault, we'll happily replace or refund it.

Please pack the item carefully to avoid damaged during shipping. 

Faulty items should be returned within a reasonable time and in a clean and dry condition. PLEASE NOTE, WE WILL NOT PROCESS DIRTY ITEMS.

Please enclose all your details and a covering note explaining the fault and any other useful details.

We'll try to get back to you within 14 working days of receipt of your parcel, although during busy periods this may take slightly longer.

Your statutory rights are not affected.

We reserve the right to recharge return carriage on items where no fault is identified.

Customer Service Email: Guy@Fawkes-Cycles.co.uk

Please contact us for our Payment & Security policy.

Contact us with any questions you have about this product
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