Shimano  GRX RD-RX820 1x12-Speed Rear Derailleur - Long Cage

$145.00
Members get an est. $14.50 in rewards

With its integrated chain stabilizer, the Shimano GRX RD-RX820 1x12-speed long-cage rear derailleur delivers quieter shifting and more secure chain management on rough terrain.

Color: Black
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Features

  • Compatible with 10–51T, 12-speed Shimano MTB cassettes (not included), meaning you'll never run out of gears even on the steepest jeep road or high mountain singletrack ascent
  • Shimano SHADOW RD+ technology with an adjustable chain stabilizer to prevent chain slap and drops
  • Chain tensioner has an on/off switch for smooth and reliable shifting on mixed surfaces and easy wheel removal
  • Top sprocket: maximum 10T/minimum 10T
  • Low sprocket: maximum 51T/minimum 51T
  • Total capacity: 41T
  • Interchangeable, replaceable GS/SGS derailleur cage

Imported.

View the Shimano GRX Product LineView all Shimano Rear Derailleurs

Technical Specs

Best Use

Gravel Cycling

Derailleur Type

Rear

Cage Length

Long Cage

Max Rear Cog Size

51T

Speeds

12-speed

Weight

288 grams

Reviews
1 reviews with an average rating of 1.0 out of 5 stars

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Michiel
Rated 1.0 out of 5 stars

Incorrect part number in description

8 months ago

There is an error in the description. There is no RD-RX820 for 1x12. This listing appears to be for RD-RX822-SGS, which is 1x12. This is the one I received when ordering this. RD-RX820 is a 2x12 derailleur and its the one I need. The person writing the product details seems to have assumed they all have the same part number. I

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