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For cyclists looking for the best of both worlds, the new 2x12 RX820 UNDROPPABLE drivetrain with Shimano GRX FC-RX820-2 Double Chainring Cranksets uses 48/31T front chainrings optimized for Gravel, paired with an 11-34T or 11-36T cassette. This setup offers an ultra-wide gear range to maintain a comfortable cadence whether riding on flat terrain, over rough ground, or tackling a massive off-road climb.
This option offers precise front and rear shifting and incorporates the integrated SHADOW RD+ chain stabilizer to provide maximum drivetrain security on rough terrain. It keeps the rear cassette gear steps closer together, ideal for subtle cadence changes during competitive races and energetic weekend group rides.
The 2x12 configuration fits perfectly on most 700c wheels thanks to the proven efficiency of the HG core body design.
FC-RX820-2 - Cranksets
2x12-speed
Crankset length: 170 mm, 172.5 mm, 175 mm
Chainring combination: 48-31T
Shimano HOLLOWTECH II
Weight: 721 grams (172.5 with 48/31T)