Shimano GRX RX600 11 Speed Groupset Road Bike Groupset 170/172.5/175mm 30/32/34/40/42T Bicycle Group Set 1*11 speed - AliExpress
Currently running a 1x11 Grx. I live in a flat area of Europe. In October I am going on a bikepacking trip and I want to change the range of my gearing.
Shimano GRX RD-RX812 1x11-Speed Long Cage Shadow+ Rear Derailleur from BikeBling.com