Shimano GRX Di2 ST-RX815 11 Speed Shifter Bikesportz HEAD Presta valve with integrated

HEAD Presta valve with integrated dust cap

Key: 5mm Allen

Actuation: DOT 5

it features HG-EV technology for smooth gear transitions

Shimano GRX Di2 ST-RX815 11 Speed Shifter Bikesportz HEAD Presta valve with integratedThe 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. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronised shifting. Specifications Improved grip and confidence on choppy surfaces and descents Raised hood head prevents hand misalignment and