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Complete Shimano GRX/XTR 12-speed Di2 gravel & MTB bundle: drivetrain, brakes, cassette, chainset & battery for precision, power and reliability.
Complete Shimano GRX/XTR 12-speed Di2 gravel & MTB bundle: drivetrain, brakes, cassette, chainset & battery for precision, power and reliability.
Shimano

Shimano GRX 820 XTR Di2 1 x Groupset

£1,399.00 £1,699.92 18% off
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With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

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Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Shimano GRX 820 XTR Di2 1 x Groupset

Season:All Year Round

Brand:Shimano

Code:GRX820XTR

Take your gravel or MTB rides to the next level with this all-in-one Shimano GRX/XTR 12-speed Di2 bundle. It includes the robust GRX RX827 Shadow ES rear derailleur, paired with a 10–51T XTR cassette for smooth, lightning-fast shifting across any terrain. Shimano GRX hydraulic Di2 STI levers and flat-mount brake calipers deliver effortless braking control with ergonomic, gravel-specific design. The lightweight CN-M9100 chain with Hyperglide+ ensures seamless gear transitions, while the RX820 12-speed chainset offers optimal gearing for mixed terrains. The compact BT-DN320 wireless Di2 battery and EC-DN100 charger provide long-lasting, reliable power for extended rides. Built for precision, durability and performance, this bundle equips riders with everything they need to dominate gravel, trails and adventure rides with confidence.

Shimano RD-RX827 GRX Di2 12-speed rear derailleur Shadow ES for 51T single in Black


The all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.

Features:

  • Robust Design:A wide link structure, skid-plate design, durable aluminium plate and solid pulley add robustness and longevity.
  • RD Protection Function:The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact.
  • SHIMANO SHADOW ES:A slimmer, stronger evolution of SHIMANO's pioneering chain-stabilizing SHADOW RD+ concept.
  • Protected Battery:Tucked safely inside an enclosed space, the battery won't budge even in rough terrain, while remaining easily removable for charging.

Shimano GRX ST-RX715/BR-RX410 Di2 STI / Flat Mount Calliper Set Right Front in Black

Shimano GRX, with its gravel-specific ergonomics, optimised gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world

Features:

  • GRX hydraulic disc brake 12-speed Di2 STI's give you control, modulation and power with minimal effort in all riding conditions
  • Higher brake lever axis and curved brake lever, improves grip and confidence on choppy surfaces and descents
  • Raised hood head prevents hand misalignment and slippage
  • Recessed finger notch prevents upward slipping
  • Kit contains bled right ST-RX715 STI, BR-RX410 flat mount brake calliper with pads, SM-BH90 hose and mineral oil (without rotor or adapter)

Shimano GRX BL-RS717/BR-RX410 Brake Lever / Flat Mount Calliper Set Left Rear in Black

Shimano GRX, with its gravel-specific ergonomics, optimised gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world,

Features:

  • GRX hydraulic disc brake lever only gives you control, modulation and power with minimal effort in all riding conditions
  • Raised hood head prevents hand misalignment and slippage
  • Recessed finger notch prevents upward slipping
  • Simple set up and maintenance with easy and clean one way bleeding system
  • Kit contains BL-RS717 left hand brake lever and BR-RX410 rear brake calliper, with hose

Shimano XTR CS-M9100 12-speed 10-51T Cassette

Alloy 5 beam spider carrier with 3 alloy, 5 titanium and 4 chromoly sprockets make this a lightweight, stiff and durable 12-speed micro spline MTB cassette.

Features:
  • Hyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in 1/3 faster shift time than current HG cassettes providing seamless, smooth operation even under load
  • 10-45t wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditions
  • Sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity
  • Sprockets use hard anodising and nickel-plated finish for added durability and resistance to corrosion
  • For use only with micro spline freehub bodies
  • Alloy cassette lockring
  • For use with Shimano 12-speed sil-tec chains
  • Average weight 357g

Shimano CN-M9100 XTR/Dura-Ace 12-Speed Chain

The Shimano CN-M9100 XTR/Dura-Ace 12-Speed Chain with quick link is super narrow, lightweight and features Hyperglide+ for smooth shifts and maximum durability.

Shimano 12-speed Hyperglide+ chains have computer designed plate profiles to operate seamlessly with Shimano DCE 12-speed chainrings and cassette sprockets, resulting in 1/3 faster shift time than Hyperglide systems even under load.

Features:

  • Outer plate design has been developed to reduce the chance of chain suck
  • Sil-Tec surface treatment technology (PTFE plating) on inner and outer links and rollers that is smooth running and increases durability
  • Zinc-Alloy plated inner and outer links
  • Hollow pin for added weight saving
  • For use with 12-speed HG+ drivetrains
  • Comes complete with Quick Link which enables fast tool free chain assembly
  • Colour: Silver
  • Speed: 12 Speed

Shimano BT-DN320 Di2 Wireless Rear Derailleur Battery in Black

The powerhouse of Shimano wireless Di2 is a long-life 310mAh Li-Ion battery that is both compact and reliable, taking shifting effort away from you.

Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain and mud.

The use of a small and discreet integrated battery is lightweight, efficient and creates a robust and reliable system.

One charge gives a 340 kilometre range depending on conditions thanks to its power-saving battery management system. Charging is done via EC-DN100 charger.


Shimano EC-DN100 Di2 Wireless Battery Charger in Black

Di2 charger for the wireless BT-DN320 battery that will keep your Di2 system shifting.

Di2 uses a powerful long-life 310mAh Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger.

Charging cord included (USB C-C).


Shimano GRX RX820 12 Speed Chainset in Black

Shimano GRX, with its gravel specific ergonomics, optimised gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

Features:
  • 12-speed single chainset offers optimum gearing for mixed terrains and riding styles
  • Designed to work with HollowTech II type bottom bracket cups
  • Compatible with12-speed Hyperglide+ chains
  • Anodised aluminium crank arms
  • Lightweight aluminium chainring
  • 4 arm, 110 mm bolt circle diameter
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