Shimano ST-RX815 GRX Shift/Brake Levers Only - Di2 Shift/Hydraulic Brake Option:Rear Only (11 Speed) New information and topics included

New information and topics included in the BBB 4th edition:

Adjustable Side Ties

is milled in the USA

HIRUNDOS is for athletic climbers for climbing at the gym or the crag

COMPATIBILITY & NORMS: Multi Norm (MN)

Shimano ST-RX815 GRX Shift/Brake Levers Only - Di2 Shift/Hydraulic Brake Option:Rear Only (11 Speed) New information and topics includedDesigned 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