The new Shimano GRX Di2 – More refined than ever? | GRAN FONDO Cycling Magazine
The new Shimano GRX Di2 – More refined than ever? | GRAN FONDO Cycling Magazine,Shimano GRX ST-RX815 11-Speed Di2 Right Drop-Bar Shifter/Hydraulic Brake Lever with BR-RX810 Flat Mount Caliper,,SHIMANO GRX Di2 825 Complete Group 2x12 | Crank 172,5 mm Cassette 11-,Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors,SHIMANO GRX Di2 825 Complete Group 2x12 | Crank 170 mm Cassette 11-34