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

HEAD Presta valve with integrated dust cap

it features HG-EV technology for smooth gear transitions

Key: 5mm Allen

VersaValve consists of a valve stem with a large

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

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