Customize Bmx Bike Online Can I Customize My BMX Bike To Fit My Height Better?

Can I customize my BMX bike to fit my height better? - customize bmx bike online

I'm 6'3 "and I bought just a Kink XL gap with a 21" tube. What can I do for the sport of cycling, in the absence of a better word bigger? No way to get over handlebars? All opinions are welcome, as I am new BMX.