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GRX ST-RX825 Di2 Shifter

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Why We Like The Shimano GRX ST-RX825 Di2 Shifter

The Shimano GRX ST-RX825 Di2 Shifter brings comfortable and reliable wireless shifting to our gravel riding experience. With updated ergonomics designed specifically for flared handlebars, the alignment between the hoods and bars is smoother than ever, creating a larger surface area that eliminates pressure points for added comfort. They also feature raised hoods with a ribbed surface and anti-slip brake levers to increase control on rough terrain and in bad weather, while the third Di2 button on the inner hood offers added customization.


  • 2 x 12-speed wireless Di2 dual-control shifters optimized for gravel riding
  • Optimized for flared handlebars with better alignment between the bars and hoods for a better feel
  • Raised hoods with a ribbed surface texture and anti-slip brake levers optimize control
  • Features a third Di2 button on the inside of the hood for added customization
  • Two replaceable CR1632 coin cell batteries provide an expected lifespan of 3 to 4 years
  • Compatible with Shimano’s three SW-RS801 satellite shifters
  • Complete with Shimano FRONT SHIFT NEXT functionality
  • Item #SHIU1ND
Crankset Compatibility
Compatible Components
Shimano's three SW-RS801 satellite shifter options
Claimed Weight
[pair] 415g
Manufacturer Warranty
2 years
right and left shifters

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