hot rod mini bike mounting plate, anything i should know before i get started?

#1
just received my hotrod mini bike adjustable mounting plate and I'm going to install it on my manco thunderbird tonight. anything good or bad that I should know about this product before I install it or any little quirks or helpful tips that may help ? thank you
here is a picture of the bike putting it on it will not be ridden with these wheels and tires however
 
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