sizing advice please

by burglarboycie   July 23, 2014  

Hi all
I will soon be buying my first road bike after many years of mountain biking.
I think I will go for the Planet X RT-58 alloy as my budget will be limited to what I get from the sale of my mtb. I was wondering what size people would recommend, I am 6'2". Also as planet x allow customization at checkout, should I stick with the 100mm stem it comes with or go slightly longer?
Any help greatly appreciated, and sorry to ask such basic questions!!
James