The Di2 RX815 electric derailleur is designed for 11 speed shifting systems. Greater distance between casing and frame: chainline +2.5mm compared to road derailleurs. 17 teeth.
Type: ROAD, Total package weight: 243g, 11 speed, Double derailleur, Mounting type: On a winch, Black, Material: Aluminum/Steel
The Shimano GRX sets itself apart from the rest of the world of similar components thanks to its specific ergonomics, optimized gears, tremendous reliability and quiet shifting. This is not a sophisticated set of road components. It represents a view of how cyclists want to explore their world. GRX represents the challenge to find new places and experiences that empower us all.