Shimano GRX ST-RX810 11 Speed Shifter bikebox Independent testing has shown that

Independent testing has shown that larger GP5000 S TR sizes can achieve rolling resistance equal to—or even lower than—narrower versions when inflated to appropriate pressures

Eagle™ pulley technology provides greater efficiency

traction and reduced risk of pinch flats

drive chain

the Uno easily finds its place among even the most elite builds

Shimano GRX ST-RX810 11 Speed Shifter bikebox Independent testing has shown thatSHIMANO GRX Hydraulic Disc Brake DUAL CONTROL LEVER 11 speed. The SHIMANO GRX 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. Specifications Greater mixed terrain control Gravel inspired lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier road systems Mfr