Shimano GRX ST-RX820 12 Speed Shifter + Flat Mount Caliper BIKESPORTZ Protect bicycles from scratches and

Protect bicycles from scratches and knocks

in both lab and real-world settings

So not only does it allow the bell to look and sound uninterrupted

Has a mild cooling function

Lightweight and robust gravel bike seatpostDesigned to smooth out the roughest ridesUD carbon with Dyneema constructionInnovative 1-bolt clamping system which allows for a wide range of saddle angle adjustmentsCompatible with Shimano Di2 battery integration

Shimano GRX ST-RX820 12 Speed Shifter + Flat Mount Caliper BIKESPORTZ Protect bicycles from scratches andWith the GRX, Shimano brought the first gravel specific shifting group onto the market. Since then, the range of uses and the range of gravel bikes has expanded significantly. Shimano takes this development into account by also expanding the range of the GRX group. With 12 sprockets on the rear wheel and the option to choose between a 1 speed and 2 speed setup, you can adapt your drive even better to your needs. Specifications ST RX820 Shift Brake