Shimano GRX Di2 ST-RX815 11 Speed Shifter Bikesportz it features HG-EV technology for

it features HG-EV technology for smooth gear transitions

Its pulley wheels with differentiated tooth-counts deliver optimum smooth chain running and high chain retention for security and peace of mind – whatever terrain you tackle

HEAD Presta valve with integrated dust cap

The unique formulation used for Cerakote ceramic coating enhances a number of physical performance properties including abrasion/wear resistance

particularly in bad weather conditions

Shimano GRX Di2 ST-RX815 11 Speed Shifter Bikesportz it features HG-EV technology forThe 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