Shimano GRX 815 Di2 2 x 11 Groupset, 172.5mm Crankset, 48-31T

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The Shimano GRX 815 Di2 2x11 Groupset is the first truly gravel-specific groupset, and calls upon Shimano’s decades of experience making some of the best bike components on earth. The GRX 815 Di2 series uses Di2 electronic shifting technology to make shifting faster, more precise, and more customizable than ever before, with Shadow Plus rear derailleur design and a clutch mechanism for improved off road performance. This complete groupset includes the majority of components you need to build up the gravel bike of your dreams, or make some major upgrades to your existing gravel rig.


The Shimano GRX 815 Di2 11-speed groupset consists of:

  • GRX FC-RX810-2 Crankset (48-31T)
  • GRX RD-RX815 Shadow+ Rear Derailleur
  • GRX FD-RX815 Brazed-On Front Derailleur
  • CS-HG700 11-34t Cassette
  • CN-HG701 116 Links Chain with Quick Link
  • GRX ST-RX815/BR-RX810 Front Disc Brake and Shifter (1000mm)
  • GRX ST-RX815/BR-RX810 Rear Disc Brake and Shifter (1700mm)
  • XT RT-MT800 160mm Rotor (x2)
  • BT-DN110-A-1 Di2 Battery
  • SM-BCR2 Di2 Battery Charger
  • EW-RS910 Di2 Junction A Box
  • SM-JC41 Di2 Junction Box B
  • EW-SD50 Di2 Wire 1400mm
  • EW-SD50 Di2 Wire 350mm
  • EW-SD50 Di2 Wire 400mm
  • EW-SD50 Di2 Wire 700mm
  • EW-SD50 Di2 Wire 800mm
  • EW-SD50 Di2 Wire 950mm
More Information
Brand Shimano
Product Condition New in Box
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