GRX RD-RX820 12-Speed Rear Derailleur
Shimano

GRX RD-RX820 12-Speed Rear Derailleur

UPC: 192790303611
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GRX RD-RX820 12-Speed Rear Derailleur
Orléans

Pick up currently unavailable

2016 10th Line Road
Unit 1
Ottawa ON K4A 3W3
Canada

+13437802070

Stittsville

Pick up currently unavailable

5607 Hazeldean Road
Ottawa ON K2S 0P5
Canada

+16138313604

Westboro

Pickup available, usually ready in 2-4 days

203 Richmond Road
Ottawa ON K1Z 6W4
Canada

+16137921170

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The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The SHIMANO GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. And the chain tensioner has an ON/OFF switch for outings on smooth surfaces.

  • Cage Length: One-Spec
  • Total Capacity: 42T
  • Max Front Difference: 17
  • Cable Adjuster: Yes
  • Average Weight: 270g
  • MountDirect attachment (conventional)
  • Guide Pulley Bearing: Yes
  • Tension Pulley Bearing: Yes
  • Number Of Pulley Teeth: 11/13T
  • Max Low Sprocket: 36
  • Min Low Sprocket: 34
  • Rear Speeds: 12
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