Dr. Pulley Performance Variator Assembly V211501 for the Honda PCX 125.
Adding a set of Dr Pulley Sliders in 20X15 at 12-13gram adds take off performance while allowing to speed to remain constant or increase due to the ramp plate in the Dr Pulley Variator.
Stock weight is 15gram. A drop to 12 or 13 depending on weight of rider, over 200 go with 12gram.