Brand new in the box, never mounted, never taken out of box wireless Etap WiFli rear der.....accepts up to 32t rear cog. Absolute cheapest online price anywhere is $525, QBP cost is $455.
Buyer pays PP fee....basically $430 total will cover shipping and PP incredibly great deal for this der that retails for over $600 everywhere.
Call or text Mike for pics or questions at 970 471 2549