Shimano

Shimano GRX RX825 Di2 2x12V groupset

from £ 1,446.78

£ 2,043.73

 

-29%

Lowest price in the last 30 days: 1,446.78 £
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Description

Gravel cyclists live to be in the moment. It’s why we roll out of our driveway at dawn. Why we venture down lonely, unknown dirt roads. Why we take on routes and races with unpredictable outcomes. It's also why we demand the best from our gear; expecting precise, reliable, distraction-free performance in all conditions. Shimano understands—and embraces—these lofty expectations, knowing that even the smallest hiccup can mean the difference between fun and frustration, failure and success. It’s this pursuit that defines the latest addition to Shimano’s growing family of GRX gravel-specific components. Meet the new 12-speed Shimano GRX Di2 RX825 series, which includes dual control levers refined for comfort and control, a Shimano Shadow RD+ equipped rear derailleur for better chain management, and a gravel-optimized front derailleur for precise shifting.

Wide range cassette for mixed terrain handlebar bikes
The 11-36D 12-v cassette offers a 327% wide range of ratios. From flat sprints to steep climbs, you can choose the best gear ratio for every situation. The gearbox's progressiveness is optimized for pedaling efficiency, with the first eight sprockets focusing on natural, comfortable ratios, and the four larger sprockets offering a wide range of ratios, eliminating sudden jerks.

12-v Ultegra Hyperglide+ Cassette
The ultra-fluid experience of the 12-speed ULTEGRA R8100 range allows you to overcome climbs, sprint and go long distances without stopping to think about the next gear change. Larger sprockets maximize drivetrain efficiency and create compatibility with SHIMANO 11 and 12v hub bodies. HYPERGLIDE+ cassettes have revolutionized off-road shifting with perfect smooth shifting and downshifting. The time has come for technological changes in road cycling. Even during maximum efforts uphill or racing with a friend, you no longer need to reduce pressure on the pedals to shift gears. In any gear, ULTEGRA R8150 transmissions maximize efficiency with larger sprockets and maintain compatibility with existing HYPERGLIDE rear hub bodies. All this by shifting to 12 gears and without increasing weight, ULTEGRA CS-R8100 cassettes are the new frontier for road bikes.

Optimal ratios for group riding and aggressive competition
The SHIMANO FC-RX820-2 offers a perfect balance of light weight and efficiency optimized for mixed-terrain riding and racing. The double chainring meets the segmented needs of Gravel, offering closer, progressive ratios needed to maintain position in the group at all times. The 2x12-v crankset is available with the 48-31D chainring combination and 170, 172.5 and 175 mm crank lengths


The total weight of the group is: 2.577 kg (cs-r8101-12 12v 11-34 sprocket pack and grx fc-rx820-2 48/31 175 mm crankset)

N.B. The included brakes are ready to install and are sold with mineral oil and the pads.


Included

1x Shimano cassette 12V 

  • 11-36 CS-HG710-12
  • 11-34 CS-R8101-12

1x GRX FC-RX820-2 crankset

  • 48/31 170 mm
  • 48/31 172.5 mm
  • 48/31 175 mm

1x Shimano GRX 825 groupset components Di2 2x12V

  • x1 Shimano CN-M8100 12V chain
  • x1 Shimano GRX Di2 RD-RX825 12V rear derailleur
  • x1 Shimano GRX Di2 FD-RX825 2x12V a saldare front derailleur
  • x2 Shimano RT-MT800 160mm center lock disc
  • x1 cambio Shimano GRX Di2 ST-RX825 (disc) + BR-RX820 2x12v control levers

1xShimano Di2 cabling component 12V

  • x1 Shimano Di2 BT-DN300 internal battery
  • x1 USB tipo A EW-EC300 charging cable
  • x2 Di2 EW-SD300 electric wire

Specifications

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Shimano GRX FC-RX820-2 2x12S crankset

Crankset 170mm - 48/31
Product code
IFCRX8202CX81GRPST
Real weight
717 g
Crankset 172.5mm - 48/31
Product code
IFCRX8202DX81GRPST
Real weight
720 g
Crankset 175mm - 48/31
Product code
IFCRX8202EX81GRPST
Real weight
723 g

Shimano GRX 2x12v cassette

Teeth 11-34
Product code
ICSR810112134GRPST
Real weight
343 g

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