Looking for information on light and dark blue spacers loop 720

[twitch77 (Green=Love)]

I can’t find an official answer to this…but I did find this…

@RyoCanCan

Red-blue-green from narrowest to widest gap.

YYF Loop 720 Spacers

The Loop 720 has three kinds of spacers available: red, green, and blue. Does anyone know the difference between them? The only thing I know is that red spacers are the most popular and come with the Japan version of the 720.