Shimano GRX RD817 DI rear derailleur, like new. Used ~150 miles on my tri bike for IMWC in Nice and now that I’m back to normal riding conditions, I have no need for it.
$180
Shimano GRX RD817 DI rear derailleur, like new. Used ~150 miles on my tri bike for IMWC in Nice and now that I’m back to normal riding conditions, I have no need for it.
$180