Shimano ST-RX815 GRX Di2 Hydraulic Disc Brake Set Wheels & Rims SHIMANO - Square Type Bottom

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

while allowing excess heat and moisture vapor to escape

CamRing Cord Tensioners make tensioning the system simple and knot-free

Management System: Charging and low-battery protection built-in

Shimano ST-RX815 GRX Di2 Hydraulic Disc Brake Set Wheels & Rims SHIMANO - Square Type BottomDesigned for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond Raised hood head prevents hand misalignment and slippage Recessed finger notch prevents upward slipping Anti slip texture and brake lever coating Improved braking input performance Higher brake lever