Swap and Shop Bike Club Forum

Here's another one at a shop in Atlanta:

https://www.atlantacycling.com/product/shimano-105-di2-st-r7170-shift-brake-lever-right-419913-1.htm

This shop in Indiana says they have one available:

https://thebicyclestation.com/products/disc-brake-assembled-set-j-kit-105-di2-st-r7170-r-br-r7170-r-w-o-adapter-for-25mm-mnt-resin-pad-w-fin-w-connecter-insert-1700mm-sm-bh90-blk?variant=42228997587009&country=US&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOoqQcQdmoj1dc42IDBm8iTr_MCxe9l_M27bJPdhL1ifenQNw5udfeJg

Repairs have been completed.