Shimano GRX RD-RX815 11-Speed Di2 Rear Derailleur

GRX RD-RX815 11-Speed Di2 Rear Derailleur

The Shimano GRX 11-Speed Di2 rear derailleur brings mountain bike technology to gravel riding with a clutch equipped rear derailleur allowing smooth shifting on rough terrain. The Shadow RD Technology utilizes it’s race-proven, low-profile design to offer a derailleur that is more compact and fits closer to the frame, ensuring less damage in a crash.
With the adjustable chain stabilizer, chain slapping and dropping are prevented while the gravel-tuned clutch tension provides silent and uninterrupted electronic rear shifting on the roughest terrain.

Features:

• Operates with Shimano Di2 for digital electronic shifting
• Toggle clutch ON/OFF to match the terrain
• Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
• Switch stabilizer ON/OFF to match the terrain
• For 1x and 2x drivetrains

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The product weight specified is an approximate weight based on the manufacturer’s specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Specifications

Mfg PartNum: RD-RX815

Series: SHIMANO GRX DI2

Total Capacity: 38T

Max. front difference: 17T

Top sprocket: 11T/Min. 11T

Low sprocket: Max. 34T/Min. 30T

Rear Speeds: 11

Top-Normal Spring Type: SHADOW RD plus

Weight: 287 g