Chipps, perhaps perversely, specified his test on Shimano GRX RX820 to cope with gravel riding that was more mountainous than groomed, how did he get on? Pros Cons When ‘new’ GRX RX820 was launched at the end of last summer, I was very interested to get to try it. For … Continue reading Shimano GRX RX820 Mechanical Gravel Groupset review