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GRX ST-RX825 Di2 Shifter & Disc Brake Caliper

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Why We Like The Shimano GRX ST-RX825 Di2 Shifter & Disc Brake Caliper

Designed for mixed-terrain riding, the Shimano GRX ST-RX825 Di2 Shifter & Disc Brake Caliper brings fast, accurate wireless shifting and braking to our favorite gravel bike with a clean cockpit design. The ergonomic levers feature a ribbed surface, raised hoods, and anti-slip coating to increase our control and comfort as we ride over rougher terrain, and the hood body is optimized for use with flared handlebars while keeping the gravel-specific third Di2 button. 


  • A 2 x 12-speed dual-control lever and caliper for our next gravel setup
  • Designed to deliver fast, accurate shifting with unmatched comfort
  • The gravel-optimized body shape offers seamless integration with flared bars
  • Anti-slip coating on the raised hoods enhances grip on rough terrain
  • Features FRONT SHIFT NEXT functionality for optimal rider customization
  • Compatible with Shimano’s three SW-RS801 satellite shifter options
  • CR1632 shifter batteries last for 3 to 4 years and are easily changeable
  • Item #SHIU1NE
Reach Adjust
Shimano's three SW-RS801 satellite shifter options
left shifter, right shifter, caliper
Claimed Weight
[shifters (pair)] 415g
Manufacturer Warranty
2 years

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