Shimano GRX ST-RX815 Di2 11 Speed Hydraulic Shifter Set - BR-RX810 Select:Pair The new Di2 lever can Recommended inner rim width BOSRRPWW48 / U11 B1 Capacity_1 L Size:700 x 40c

The new Di2 lever can operate with the recently released full or semi Synchronized Shifting function (with the BT-BN110 battery)

enabling easier and more efficient removal of tough components

Comfort elastic waist with a low profile inner draw cord for a secure and comfortable fit

Aero style fork blades

The gravel bikers who have worn them once have been delighted

Shimano GRX ST RX815 Di2 11 Speed Hydraulic Shifter Set BR RX810 Select:Pair The new Di2 lever can Recommended inner rim width BOSRRPWW48 U11 B1 Capacity_1 L Size:700 x 40c The new Di2 lever can operate with the recently released full or semi Synchronized Shifting function (with the BT BN110 battery) enabling easier and more efficient removal of tough components