The weakest point of the cush-drive sprocket—as used on touring models from 2017 onwards, trikes from 2017 onwards, and FLDE, FLHC, FLHCS, FLSB, FLSL, FXBB, FXBBS, FXFB, FXFBS, FXLR, FXLRS, and FXST Softail models from 2018 onwards—is the thrust washer located between the sprocket mount and the sprocket itself. This design utilizes a robust and reliable thrust bearing to ensure greater durability.