Finally! . The all-new rideshimano GRX groups are the first fully dedicated gravel drivetrain family, and it’s a big one! With dedicated derailleurs for 1x and 2x, electronic and mechanical, and 10- or 11-speed options, there’s a lot to digest. Fortunately, we have it all explained on Bikerumor.com! . #shimano #gravel #gravelgrinder #gravelbike #gravelcycling #groadlesstraveled #bikes #cycling #itsonbikerumor