Locks can lock, that is, the screw is a bit small, will not be long, there will be sliding it?
This depends on the mechanical swing, the big part, it is better to use 5.5 lock
As long as it is tight, there is usually no problem
Loose is small! The key is blue docking is the fine positioning and fastening screw for different screw! Will make inaccurate positioning of operation will increase the vibration!! this is generally wide hole or wide hole! If no conditions on the small end with gasket!It doesn't matter if you're small size. Just tighten the axle when you tighten it!
