Lots to catch up on here.
There are many of each model made and as people become aware of the sprockets they ask questions and purchase.
The products are not at their end of life and do make the bikes more fun to ride as describe by many.
I am easy, if people want to buy them then that is ok, and if not then that is ok too.
I like how they move the torque lower and make the bikes much more fun to ride.
