We have updated our menu navigation to include additional series for easier navigating for our complete product line up.

en-SG

SELECT LOCATION AND LANGUAGE

GRX Di2 REAR DERAILLEUR 11s (FOR 11-30/32/34T)
RD-RX815
GRX Di2 REAR DERAILLEUR 11s (FOR 11-30/32/34T)
RD-RX815

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 and ON/OFF switch for the chain tensioner. The RD-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.

Color
Series color

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 and ON/OFF switch for the chain tensioner. The RD-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.

BENEFIT

Silent and uninterrupted rear shifting on rough terrain

FEATURE

Adjustable chain stabilizer prevents chain slapping and drops

TECHNOLOGY

SHIMANO SHADOW RD+

BENEFIT

Smooth and reliable mixed surface shifting

FEATURE

Switch stabilizer ON/OFF to match the terrain

FEATURE

Gravel-tuned clutch tension

BENEFIT

Compatible with current road DUAL CONTROL LEVER

BENEFIT

Maximum front difference: 17T

BENEFIT

Top sprocket: Max. 11T/Min. 11T

BENEFIT

Low sprocket: Max. 34T/Min. 30T

BENEFIT

Total capacity: 38T

Find a Dealer

PRODUCT SPECIFICATION

View Full Details
SUPPORT & SERVICE
Manuals and Technical Documents
User Manual
Replacement Parts

ABOUT US

SUPPORT

FIND PRODUCTS

STAY CONNECTED

en-SG

THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE.
Click "I agree" or any link to accept these cookies. To learn more about how we use cookies, read our privacy policy.