GRX RD-RX817 Di2 Rear Derailleur

$354.00

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Quantity

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Availability

Returns accepted until January 15, 2026

Free shipping within Canada on most orders over $150

Please note, items may not be exactly as pictured

Description

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.

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

Specifications

Average weight	318 g
Direct attachment	_
E-tube connector (pcs)	0
E-tube port (pcs)	1
Firmware update by E-TUBE Project	_
Fluoric coated link bushings	4
Low sprocket_Max.	42T
Low sprocket_Min.	40T
Rear speeds	11
Sealed bearing guide pulley	_
Sealed bearing tension pulley	_
Top-Normal Spring Type	SHADOW RD+
Top sprocket_Max.	11T
Top sprocket_Min.	11T
Total capacity	31T