We offer wide range conversions to make your Shimano GRX 11spd drivetrain capable of running as large as a 10-52t cassettes.
We've tested the robustness of this conversion and it is superior to any of the drivetrain conversions that have been developed over the years. Shifting and performance is as good as any new stock Shimano setup.
These conversions are custom quoted based on the particulars of your existing or new bike.
Shoot us a note or give a shout to discuss details.