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Shimano GRX RD-RX817 11-Speed Di2 Rear Derailleur

Mfg PartNum:IRDRX817
$319.99
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GRX RD-RX817 11-Speed Di2 Rear Derailleur

With an integrated chain stabilizer mechanism, the Shimano GRX RD-RX817 11-Speed Di2 Rear Derailleur provides a quieter experience and shifting security and precision on mixed terrain.

For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.

Features:

  • Silent and uninterrupted rear shifting on rough terrain
  • Operates with Shimano Di2 for digital electronic shifting
  • Adjustable chain stabilizer prevents chain slapping and drops
  • SHIMANO SHADOW RD+
  • Smooth and reliable mixed surface shifting
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Compatible with current road DUAL CONTROL LEVER

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    Model Number: RD-RX817 

    Series: SHIMANO GRX DI2 

    Weight: 318 g

    Direct Attachment: Yes 

    E-tube connector (pcs): 

    E-tube port (pcs): 

    Firmware update by E-TUBE Project: Yes 

    Fluoric coated link bushings: 

    Low sprocket: 42T (max) / 40T (min) 

    Rear Speeds: 11 

    Sealed bearing guide pulley: Yes 

    Sealed bearing tension pulley: Yes 

    Top-Normal Spring Type: SHADOW RD plus 

    Top sprocket: 11T (Max/Min) 

    Total Capacity: 31T 

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    *Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 95