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Shimano GRX RD-RX820 12V gearbox

Shimano GRX RD-RX820 12V gearbox

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List price €85,41 EUR
List price €129,90 EUR Price €85,41 EUR
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The RD-RX820 model is compatible with 12V 11-34d and 11-36d boxes, and offers a wide range of relationships that allows you to maintain a comfortable cadence regardless of the type of soil. The Shimano GRX 12V gearbox is equipped with a stabilizer of the integrated chain that guarantees a more silent change and a safer management of the chain in the most demanding situations. The tennack is also equipped with an on/off switch for rides on uniform surfaces.


Characteristics

  • Silent and reliable change on accidental terrain
  • The adjustable stabilizer prevents the chain from slamming and prevents the fall of the chain
  • Shimano Shadow RD+
  • Changed fluid and reliable on mixed soils
  • L'ON/OFF Intrructor of the stabilizer allows you to adapt to the ground
  • Max difference between the teeth of the crowns: 17D
  • Smaller pigno: max. 11d/min. 11d
  • Larger pign: max. 36d/min. 34d
  • Total capacity: 42d
  • Guain Shimano Sis Ot-GRE 24 cm included


Technical specifications

  • SERIES: GRX 12-Speed
  • Pignoni: 12
  • Compatible chain: 12 speed HG
  • Top-Normal spring type: Shimano Shadow RD+
  • Assembly: direct attack (conventional)
  • Direct assembly
  • Cable
  • Max front difference: 17D
  • Total capacity: 42d

Technologies

Shimano Shadow RD+

Less distractions for a silent transmission. The gearbox stabilizer reduces noise and has a simple solution to prevent the fall of the chain. Lighter and more efficient than the guide rollers.

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