Today Shimano has launched its new GRX gravel groupset – Shimano GRX RX820. The brief highlights are that it’s now 12 speed and that, by using Shimano’s Microspline cassette, it can now offer a 10T smallest sprocket to give a bigger top gear (or a wider gear range overall). There’s … Continue reading Shimano GRX RX820 – New Gravel Groupset Goes 12 Speed!