Shimano Shimano GRX Di2 ST-RX815 / BR-RX810 Road Hydraulic Disc Brakes bike/components/brakes & brake parts po-arc1wmn3110-127 so the more unstable it

so the more unstable it becomes

WindWall™ fabrics are engineered to reduce the effects of chilling winds while maintaining a good level of breathability

Superfabric

the 3-degree canted footbeds help align your hips in a more ergonomic way

which avoids the so-called "gap gap"

Shimano Shimano GRX Di2 ST-RX815 / BR-RX810 Road Hydraulic Disc Brakes bike/components/brakes & brake parts po-arc1wmn3110-127 so the more unstable itGRX Di2 ST RX815 11 speed shifters brake levers and flat mount BR RX810 hydraulic calipers Anti slip brake lever increases control on bumpy terrain Raised brake lever pivot point increases leverage from the hoods Adjustable free stroke and lever reach ServoWave action reduces freestroke and progressively increases brake leverage Compatible with 11 speed Di2 GRX and road derailleurs Forged aluminum BR RX810 calipers Pre assembled with SM BH90 JK SSR