viewpager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {

    @Override
    public void onPageSelected(int position) {
       super.onPageSelected(position);
       View child = viewPager2.getChildAt(0);
       if (child instanceof RecyclerView)
          child.setOverScrollMode(View.OVER_SCROLL_NEVER);
    }
}