I have just installed the Titanium mover and found that when the unit is loose with the 20 mm spacer is in place its ok; as soon as you tighten the unit up the gap must get less because trying to remove the 20mm spacer out from between the mover and the tyre is quite an effort. I suppose that when the unit is loose it hangs at a peculiar angle so that when tightened the angle changes and it forces the 20 mm spacer tighter into the tyre. Not sure if this is an issue but when I tested it it worked just fine.
