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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
130 (53t only)
No more dropping your tools with greasy fingers or losing them on your workbench
easily adjusted
The V4 version not only receives the electronic impulses and sends them to the front and rear derailleurs
Shimano GRX Di2 Shifters with Flat Mount Calipers (ST-RX815 + BR-RX810) Size:Rear Brake - Left Hand 130 (53t only)The Shimano GRX Di2 Dual Control Lever delivers light and responsive shifting for mixed terrain riding. The ergonomic shifter design improves comfort, and the textured, anti slip brake lever increases control on bumpy terrain. This Di2 version, the ST RX815 Shifters with BR RX810 Flat Mount Calipers, offers the digital precision of Shimano electronic shifting and synchronized shifting. Specifications Raised hood head prevents hand misalignment and