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Shimano GRX Di2 RD-RX815-GS / RD-RX817-GS Shadow RD+ Rear Derailleur | 11-speed | medium - black

Shimano

Shimano GRX Di2 RD-RX815-GS / RD-RX817-GS Shadow RD+ Rear Derailleur | 11-speed | medium - black

The Shimano GRX Di2 RD-RX815-GS / RD-RX817-GS Shadow RD+ rear derailleur provides quiet, smooth, and precise shifting for road bikes and allroad/gravel bikes with 11-speed drivetrains.

Best current price €173.10 from 1 stores
Available offers 2
Price spread Price unavailable
Best discount -
Price history +0.0% Low €173.10 since Jul 6 1 observations
cassette_range 11-30T drivetrain_brand Shimano speed_count 11-speed weight_g 287 g
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Checked Jul 6, 2026 14:33

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Store offers

1 stores / 2 variants
BIKE24
BIKE24 Black RD-RX815-GS | max. 34 teeth - add 3,36 €
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€203.09 €173.10 + €29.99 shipping
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Product details

About Shimano GRX Di2 RD-RX815-GS / RD-RX817-GS Shadow RD+ Rear Derailleur | 11-speed | medium - black

The Shimano GRX Di2 RD-RX815-GS / RD-RX817-GS Shadow RD+ rear derailleur is designed for road bikes and allroad/gravel bikes with 11-speed drivetrains. It features electronic shifting and a Shadow RD+ chain stabilization system, which prevents chain slapping and dropping. The derailleur has an on/off switch to reduce excessive movement, noise, and chain chatter. It accommodates cassettes with various tooth ranges, including 11-30T, and has a medium cage length. Compatible with Shimano GRX and SRAM Level brake systems. Use the verified attributes to compare available versions before choosing.

  • 11-speed compatibility
  • Electronic shifting
  • Shadow RD+ chain stabilization
  • Medium cage length
  • Compatible with Shimano GRX and SRAM Level brakes
  • Accommodates cassettes up to 11-40T
  • On/off switch for reduced chain chatter

Specifications

Cage length
Medium (GS)
Electronic shifting
Yes
Chainring size
30T
Brake compatibility
Shimano GRX / SRAM Level
Drivetrain series
Shimano GRX
cassette_range
11-30T
drivetrain_brand
Shimano
largest_sprocket
30 T
smallest_sprocket
11 T
speed_count
11-speed
model_code
IRDRX815RD-RX815-GSIRDRX817RD-RX817-GS
use
Road Bike, Allroad / Gravel
weight_g
287 g

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Price history

Historical low€173.10
Highest observed€173.10
Period change+0.0%
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