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Shimano GRX RX820 1×12 Gravel Groupset

(1 customer review)


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Shimano GRX RX820 1×12 Gravel Groupset

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Shimano GRX RX820 1×12 Gravel Groupset


Gravel cycling is not meant to be overly complicated. The heart and soul of cycling’s drop bar, dirt road discipline is rooted in simplicity, inclusivity, and adventure. No ride is out of bounds. All are welcome to join. Gear should be functional, reliable, and not break the bank.


Gravel gives us the freedom to explore every grain of beauty in the world. With friends by our side, we express ourselves through what we ride. We are race day competitors, long-distance dreamers, and everything in between. Introducing three new GRX personalities – three new ways to feel free.


GRX 12-speed mechanical marks a new day for ultimate gravel experiences. Be UNSTOPPABLE, UNDROPPABLE, and UNBEATABLE. Tune your ride to your liking and feel the joy of upgraded ergonomics.

Included in the Groupset Package…

  • STI Levers/Disc Callipers
  • RD-RX820 Series Rear Derailleur
  • 12 speed Chain
  • FC-RX820 Chainset
  • Cassette: Close Ratio or Microspline Wide Ratio available (please note microspline cassette will require a dedicated microspline freehub)

Please note kit is not inclusive of bottom bracket due to the vast number of variations

If you wish to add a bottom bracket to your order they can be viewed HERE

Want your new groupset fitted? We have you covered! CLICK HERE to see the options!

Left Brake Lever Option

Standard, Dropper Post Enabled


170mm 40t, 170mm 42t, 172.5mm 40t, 172.5mm 42t, 175mm 40t, 175mm 42t


11-34t Hyperglide, 11-36t Hyperglide, 10-45t Microspline, 10-51t Microspline

1 review for Shimano GRX RX820 1×12 Gravel Groupset

  1. Allan (verified owner)

    You don’t need me to tell you that this is the best mechanical gravel groupset on the market.

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