Dérailleur Arrière SHIMANO GRX DI2 RX817 11V soldes an absorption system between the

an absorption system between the shell and the rail greatly reduces road shocks and vibrations for improved pedalling comfort

yet highly effective at absorbing impacts

while the Addix Speedgrip rubber compound represents the ideal combination of speed

improves breathability and prevents slipping on the saddle for a more efficient pedalling stroke

This saddle is equipped with SuperFlow technology

Dérailleur Arrière SHIMANO GRX DI2 RX817 11V soldes an absorption system between theThe SHIMANO GRX DI2 RX817 11 Speed Rear Derailleur brings the best of Di2 technology to Cyclo cross and Gravel riding, meeting the significant demands they place on derailleurs originally designed for road use. It features a chain stabiliser with Shadow RD+ technology (derived from mountain biking) which prevents chain drops. A switch is placed at the upper pulley and when activated, it holds the pivot more firmly and reduces vibrations. This model